# Ignition

**URL:** https://forum.inductiveautomation.com/c/ignition/6.md?page=114

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**Page:** 115

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## [system.util.jsonEncode output not the same in webdev module](https://forum.inductiveautomation.com/t/system-util-jsonencode-output-not-the-same-in-webdev-module/110887)

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**Author:** [@Jean-Maurice\_Dubois](https://forum.inductiveautomation.com/u/Jean-Maurice_Dubois)\
**Replies:** 20\
**Last updated:** [November 5, 2025, 3:35pm UTC](https://forum.inductiveautomation.com/t/system-util-jsonencode-output-not-the-same-in-webdev-module/110887 "2025-11-05T15:35:08Z")

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After upgrading to ignition 8.3, something broke with the system.util.jsonEncode function. If the call is made from the webdev module, some key-value pair will changes to dictionaries? system.util.jsonEncode called fro…

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## [Siemens PLC optimized DB access](https://forum.inductiveautomation.com/t/siemens-plc-optimized-db-access/111953)

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**Author:** [@freggianini](https://forum.inductiveautomation.com/u/freggianini)\
**Replies:** 2\
**Last updated:** [November 5, 2025, 2:37pm UTC](https://forum.inductiveautomation.com/t/siemens-plc-optimized-db-access/111953 "2025-11-05T14:37:04Z")

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Hello I’m trying to set a tag with an optimized data block from new Siemens PLC. How can i access directly to an address by name?

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## [PLC Tag Quality "Bad" After UDT Modification (TIA Portal/PLCSim Advanced to Ignition)](https://forum.inductiveautomation.com/t/plc-tag-quality-bad-after-udt-modification-tia-portal-plcsim-advanced-to-ignition/111958)

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**Author:** [@ali.sulyman](https://forum.inductiveautomation.com/u/ali.sulyman)\
**Replies:** 1\
**Last updated:** [November 5, 2025, 12:30pm UTC](https://forum.inductiveautomation.com/t/plc-tag-quality-bad-after-udt-modification-tia-portal-plcsim-advanced-to-ignition/111958 "2025-11-05T12:30:42Z")

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Hello everyone, I'm having a persistent issue when modifying a User-Defined Data Type (UDT) in TIA Portal and then trying to read the updated tag values in Ignition. My Setup: PLC: Siemens S7-1512 simulated via PLCSi…

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## [Getting the error while reading Mitsubishi PLC tags data in ignition designer](https://forum.inductiveautomation.com/t/getting-the-error-while-reading-mitsubishi-plc-tags-data-in-ignition-designer/111955)

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**Author:** [@amapatil](https://forum.inductiveautomation.com/u/amapatil)\
**Replies:** 2\
**Last updated:** [November 5, 2025, 12:27pm UTC](https://forum.inductiveautomation.com/t/getting-the-error-while-reading-mitsubishi-plc-tags-data-in-ignition-designer/111955 "2025-11-05T12:27:44Z")

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Hi Everyone, I’m encountering an issue while trying to read Mitsubishi PLC tag data in the Ignition Designer. I have manually added the addresses in the Gateway; however, when I try to browse the OPC path in the OPC tag…

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## [Problem accessing tags](https://forum.inductiveautomation.com/t/problem-accessing-tags/111956)

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**Author:** [@Francisco\_Rebelo](https://forum.inductiveautomation.com/u/Francisco_Rebelo)\
**Replies:** 3\
**Last updated:** [November 5, 2025, 12:23pm UTC](https://forum.inductiveautomation.com/t/problem-accessing-tags/111956 "2025-11-05T12:23:20Z")

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Hi guys, I’m having a problem with my events on buttons and similar things. I had this script working correctly, but all of a sudden it stopped working and now I get this message. I’m using Ignition 8.1.41. Any hel…

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## [\[BUG?\] Session Custom properties randomly disappear](https://forum.inductiveautomation.com/t/bug-session-custom-properties-randomly-disappear/82785)

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**Author:** [@Cole\_Townsend](https://forum.inductiveautomation.com/u/Cole_Townsend)\
**Replies:** 5\
**Last updated:** [November 5, 2025, 11:00am UTC](https://forum.inductiveautomation.com/t/bug-session-custom-properties-randomly-disappear/82785 "2025-11-05T11:00:20Z")

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Ignition Perspective 8.1.33 Ran into this issue this morning and once about 6 weeks ago. Didn't ask anything about it then as it seemed like some one-off thing, but it happened again. This morning, I came back into the…

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## [How to import a Project Library script inside a tag readAsync callback](https://forum.inductiveautomation.com/t/how-to-import-a-project-library-script-inside-a-tag-readasync-callback/91376)

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**Author:** [@nbautomation](https://forum.inductiveautomation.com/u/nbautomation)\
**Replies:** 2\
**Last updated:** [November 5, 2025, 10:50am UTC](https://forum.inductiveautomation.com/t/how-to-import-a-project-library-script-inside-a-tag-readasync-callback/91376 "2025-11-05T10:50:28Z")

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I'm using Ignition 8.1 and I want to run a script from Project Library in a Gateway Event, inside a system.tag.readAsync callback. I've noticed that I can't directly use libraries inside the callback and need to import t…

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## [Nested Pie chart](https://forum.inductiveautomation.com/t/nested-pie-chart/111950)

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**Author:** [@sanjanakrishnamurthy](https://forum.inductiveautomation.com/u/sanjanakrishnamurthy)\
**Replies:** 1\
**Last updated:** [November 5, 2025, 5:15am UTC](https://forum.inductiveautomation.com/t/nested-pie-chart/111950 "2025-11-05T05:15:00Z")

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Hi, Anyone knows if it’s possible to create a nested pie chart like the one shown in the pic? Thanks!

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## [Forms Ignition 8.3: Capturing values before submission](https://forum.inductiveautomation.com/t/forms-ignition-8-3-capturing-values-before-submission/111913)

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**Author:** [@Tburgess](https://forum.inductiveautomation.com/u/Tburgess)\
**Replies:** 2\
**Last updated:** [November 5, 2025, 12:50am UTC](https://forum.inductiveautomation.com/t/forms-ignition-8-3-capturing-values-before-submission/111913 "2025-11-05T00:50:00Z")

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Howdy! I’m working with the new Form component in Perspective to create a calculation form for our manufacturing team. Based on the values entered by the user, the system will calculate how much of each material needs t…

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## [Chart Dataset Enabled Property](https://forum.inductiveautomation.com/t/chart-dataset-enabled-property/4339)

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**Author:** [@techerdone](https://forum.inductiveautomation.com/u/techerdone)\
**Replies:** 16\
**Last updated:** [November 5, 2025, 12:32am UTC](https://forum.inductiveautomation.com/t/chart-dataset-enabled-property/4339 "2025-11-05T00:32:28Z")

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Is there any way to access a charts dataset enable/disable property? I am trying to have some selection buttons that will eliminate specific pens from several plots in one chart. I can't use the easy chart because I nee…

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## [Migration Historical Data](https://forum.inductiveautomation.com/t/migration-historical-data/71479)

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**Author:** [@John\_Smith1](https://forum.inductiveautomation.com/u/John_Smith1)\
**Replies:** 12\
**Last updated:** [November 4, 2025, 11:31pm UTC](https://forum.inductiveautomation.com/t/migration-historical-data/71479 "2025-11-04T23:31:56Z")

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I have a Ignition setup, which uses only one database connection. Historical data tables per month have more than 200 billion rows and size more than 50GB each one. How to correctly transfer historical data tables to a…

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## [Any updates on Azure Injector (Cirrus Link) module for Ignition 8.3?](https://forum.inductiveautomation.com/t/any-updates-on-azure-injector-cirrus-link-module-for-ignition-8-3/111696)

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**Author:** [@enris.pupa](https://forum.inductiveautomation.com/u/enris.pupa)\
**Replies:** 3\
**Last updated:** [November 4, 2025, 10:55pm UTC](https://forum.inductiveautomation.com/t/any-updates-on-azure-injector-cirrus-link-module-for-ignition-8-3/111696 "2025-11-04T22:55:40Z")

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Hi everyone, I was wondering if there are any updates regarding the release of the Azure Injector (Cirrus Link) module for Ignition 8.3. I know that the main MQTT modules have been available for some time, but I haven’…

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## [Float Rounding over DNP3 Connection](https://forum.inductiveautomation.com/t/float-rounding-over-dnp3-connection/81395)

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**Author:** [@Mason\_Taragos](https://forum.inductiveautomation.com/u/Mason_Taragos)\
**Replies:** 3\
**Last updated:** [November 4, 2025, 10:25pm UTC](https://forum.inductiveautomation.com/t/float-rounding-over-dnp3-connection/81395 "2025-11-04T22:25:41Z")

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Hello, I'm trying to send float values over DNP3 from an SEL RTAC to my Ignition designer window, and I can't seem to stop it from rounding like an integer. For example, when I push a value of 123.45 over DNP3 I get a v…

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## [Report unexepctedly moving components?](https://forum.inductiveautomation.com/t/report-unexepctedly-moving-components/111940)

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**Author:** [@bkarabinchak.psi](https://forum.inductiveautomation.com/u/bkarabinchak.psi)\
**Replies:** 1\
**Last updated:** [November 4, 2025, 9:09pm UTC](https://forum.inductiveautomation.com/t/report-unexepctedly-moving-components/111940 "2025-11-04T21:09:03Z")

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Using 8.1.48 I have a report that has a giant header and then is one table group of 3 tables. The entire table group componentis 505 pixels tall. The first table in the table group is just the header (no details/summa…

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## [SVG Background animations not working after upgrading to 8.3](https://forum.inductiveautomation.com/t/svg-background-animations-not-working-after-upgrading-to-8-3/111925)

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**Author:** [@steve.lankford](https://forum.inductiveautomation.com/u/steve.lankford)\
**Replies:** 9\
**Last updated:** [November 4, 2025, 8:58pm UTC](https://forum.inductiveautomation.com/t/svg-background-animations-not-working-after-upgrading-to-8-3/111925 "2025-11-04T20:58:41Z")

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I have a simple SVG that I need the background to blink. Prior to upgrading to 8 this animation worked. Now the background changes to black. Behavior is the same on version 8.1 and 8.3. Even stranger, after upgrading…

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## [Client tag change event missing tag changes](https://forum.inductiveautomation.com/t/client-tag-change-event-missing-tag-changes/111847)

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**Author:** [@josborn](https://forum.inductiveautomation.com/u/josborn)\
**Replies:** 14\
**Last updated:** [November 4, 2025, 8:25pm UTC](https://forum.inductiveautomation.com/t/client-tag-change-event-missing-tag-changes/111847 "2025-11-04T20:25:34Z")

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I am uncertain if this is an issue with tag change events or tag groups, but i am seeing tag change events being missed. My tag change events have multiple tags that open one popup window. The tag are set to be on for a…

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## [Write tag values to string, and from string to values](https://forum.inductiveautomation.com/t/write-tag-values-to-string-and-from-string-to-values/111853)

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**Author:** [@danielps1818](https://forum.inductiveautomation.com/u/danielps1818)\
**Replies:** 12\
**Last updated:** [November 4, 2025, 7:54pm UTC](https://forum.inductiveautomation.com/t/write-tag-values-to-string-and-from-string-to-values/111853 "2025-11-04T19:54:41Z")

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Hi! I'm trying to save value tags to an excel via script. In some types doesn't work doing str(). Things like "Document" type is needed to do system.util.jsonEncode() instead of str(). Could I generalize using system.…

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## [Comm issues with ABB RMC-100 Flow computer](https://forum.inductiveautomation.com/t/comm-issues-with-abb-rmc-100-flow-computer/105123)

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**Author:** [@Nol](https://forum.inductiveautomation.com/u/Nol)\
**Replies:** 2\
**Last updated:** [November 4, 2025, 7:49pm UTC](https://forum.inductiveautomation.com/t/comm-issues-with-abb-rmc-100-flow-computer/105123 "2025-11-04T19:49:23Z")

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Ignition 8.1.47 I'm trying to connect our Ignition gateway to a ABB RMC-100 flow computer using the ABB TotalFlow driver from Cirrus-link. and have been having a number of difficulties I'm wondering how to troubleshoot. …

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## [Update to database from frontend gateway to backend gateway](https://forum.inductiveautomation.com/t/update-to-database-from-frontend-gateway-to-backend-gateway/111926)

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**Author:** [@Thomas\_Tornblom](https://forum.inductiveautomation.com/u/Thomas_Tornblom)\
**Replies:** 4\
**Last updated:** [November 4, 2025, 7:27pm UTC](https://forum.inductiveautomation.com/t/update-to-database-from-frontend-gateway-to-backend-gateway/111926 "2025-11-04T19:27:26Z")

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Si I have followed the seup of a frontend and a backend gateway in docker in the elevated studies in inductive university. So I have two functioning gateways, a database connected to the backend and a smtp setup and wor…

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## [\[IGN-14380\]The Gateway has failed to succesfully start](https://forum.inductiveautomation.com/t/ign-14380-the-gateway-has-failed-to-succesfully-start/111919)

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**Author:** [@javier.allueva1](https://forum.inductiveautomation.com/u/javier.allueva1)\
**Replies:** 5\
**Last updated:** [November 4, 2025, 7:04pm UTC](https://forum.inductiveautomation.com/t/ign-14380-the-gateway-has-failed-to-succesfully-start/111919 "2025-11-04T19:04:48Z")

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Good Morning, I have tried to restore a back up from a backup created in another computer to my working laptop , and after the backup was restored, I have the following message and I can’t see the logs on the website. I…

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## [Binding on a Numeric Entry props.enabled only work in designer, not the URL](https://forum.inductiveautomation.com/t/binding-on-a-numeric-entry-props-enabled-only-work-in-designer-not-the-url/111934)

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**Author:** [@alex.kalan](https://forum.inductiveautomation.com/u/alex.kalan)\
**Replies:** 3\
**Last updated:** [November 4, 2025, 5:29pm UTC](https://forum.inductiveautomation.com/t/binding-on-a-numeric-entry-props-enabled-only-work-in-designer-not-the-url/111934 "2025-11-04T17:29:18Z")

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I am trying to bind the props.enabled of a numeric entry to the value of a dropdown so that when a value is selected in the dropdown the numeric entry will allow a value to be put into it. I have tried multiple different…

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## [Odd behavior with Style Class on button](https://forum.inductiveautomation.com/t/odd-behavior-with-style-class-on-button/111933)

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**Author:** [@ingraham](https://forum.inductiveautomation.com/u/ingraham)\
**Replies:** 5\
**Last updated:** [November 4, 2025, 4:49pm UTC](https://forum.inductiveautomation.com/t/odd-behavior-with-style-class-on-button/111933 "2025-11-04T16:49:48Z")

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HI all. I’m trying to use a style class on a button. In particular, trying to use --qual-2 for the background color. When I do, it goes transparent. This happens for anything with a -number on the end, e.g. --neutral…

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## [Popup keeps following my mouse](https://forum.inductiveautomation.com/t/popup-keeps-following-my-mouse/111931)

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**Author:** [@Jasper\_Clauwaert](https://forum.inductiveautomation.com/u/Jasper_Clauwaert)\
**Replies:** 0\
**Last updated:** [November 4, 2025, 3:31pm UTC](https://forum.inductiveautomation.com/t/popup-keeps-following-my-mouse/111931 "2025-11-04T15:31:59Z")

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Hello everyone, I'm working with popups that have embedded Grafana dashboards. Occasionally, when I interact with the Grafana dashboard (e.g. clicking or navigating), I find myself unable to exit the popup. As soon as m…

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## [How to pull Associated Alarm Data from the alarm event list generated with system.alarm.queryStatus?](https://forum.inductiveautomation.com/t/how-to-pull-associated-alarm-data-from-the-alarm-event-list-generated-with-system-alarm-querystatus/27527)

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**Author:** [@mattn1](https://forum.inductiveautomation.com/u/mattn1)\
**Replies:** 9\
**Last updated:** [November 4, 2025, 2:59pm UTC](https://forum.inductiveautomation.com/t/how-to-pull-associated-alarm-data-from-the-alarm-event-list-generated-with-system-alarm-querystatus/27527 "2025-11-04T14:59:24Z")

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I am using system.alarm.queryStatus(state=\[“ActiveUnacked”\]) to poll the Gateway for any Active Unacked alarms. It returns a list of alarm events. I would like to pull out associated alarm data from the alarm event for…

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## [How to display tag in table in ignition perspective](https://forum.inductiveautomation.com/t/how-to-display-tag-in-table-in-ignition-perspective/111917)

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**Author:** [@nsbhosale](https://forum.inductiveautomation.com/u/nsbhosale)\
**Replies:** 3\
**Last updated:** [November 4, 2025, 2:03pm UTC](https://forum.inductiveautomation.com/t/how-to-display-tag-in-table-in-ignition-perspective/111917 "2025-11-04T14:03:50Z")

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want to show real time values in a table

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## [\[IGN-14345\] Downloading OPC-UA server certificate in v8.3](https://forum.inductiveautomation.com/t/ign-14345-downloading-opc-ua-server-certificate-in-v8-3/110761)

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**Author:** [@dom.dynamic](https://forum.inductiveautomation.com/u/dom.dynamic)\
**Replies:** 14\
**Last updated:** [November 4, 2025, 1:06pm UTC](https://forum.inductiveautomation.com/t/ign-14345-downloading-opc-ua-server-certificate-in-v8-3/110761 "2025-11-04T13:06:52Z")

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Just installed official release of Ignition v8.3 and I’m trying to set up OPCUA connection with another SCADA software. Is there a way to download OPC-UA server certificate from the gateway page? In the older version of…

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## [Unexpected Exception retrieving UDT Definitions During Component Startup / java.lang.IllegalStateException](https://forum.inductiveautomation.com/t/unexpected-exception-retrieving-udt-definitions-during-component-startup-java-lang-illegalstateexception/61329)

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**Author:** [@A\_Power](https://forum.inductiveautomation.com/u/A_Power)\
**Replies:** 6\
**Last updated:** [November 4, 2025, 1:00pm UTC](https://forum.inductiveautomation.com/t/unexpected-exception-retrieving-udt-definitions-during-component-startup-java-lang-illegalstateexception/61329 "2025-11-04T13:00:15Z")

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Hi All, Recently upgraded from 8.1.7 to 8.1.8 As a result I get the following error when launching some (not all) vision clients on site (all have been updated to the latest). This happens at the opening of the main l…

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## [Ignition License Session Issue](https://forum.inductiveautomation.com/t/ignition-license-session-issue/111921)

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**Author:** [@TechEnlive](https://forum.inductiveautomation.com/u/TechEnlive)\
**Replies:** 5\
**Last updated:** [November 4, 2025, 12:53pm UTC](https://forum.inductiveautomation.com/t/ignition-license-session-issue/111921 "2025-11-04T12:53:20Z")

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Hi Team, We have an Ignition license that allows a maximum of three sessions. However, we’re facing an issue where, even after a user logs out and closes the Perspective workstation, the Gateway still shows a total of t…

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## [Find Project and Database Linked to a Tag Provider in Ignition](https://forum.inductiveautomation.com/t/find-project-and-database-linked-to-a-tag-provider-in-ignition/111920)

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**Author:** [@ARIFRAHUMAN\_A](https://forum.inductiveautomation.com/u/ARIFRAHUMAN_A)\
**Replies:** 3\
**Last updated:** [November 4, 2025, 12:47pm UTC](https://forum.inductiveautomation.com/t/find-project-and-database-linked-to-a-tag-provider-in-ignition/111920 "2025-11-04T12:47:49Z")

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Is there any way to get the project name and database based on a tag provider? I would like to know which project the tag provider is connected to and which database is configured within that project. If anyone has don…

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## [Inactivity and token](https://forum.inductiveautomation.com/t/inactivity-and-token/111923)

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**Author:** [@Thomas\_MUSSO](https://forum.inductiveautomation.com/u/Thomas_MUSSO)\
**Replies:** 1\
**Last updated:** [November 4, 2025, 12:21pm UTC](https://forum.inductiveautomation.com/t/inactivity-and-token/111923 "2025-11-04T12:21:13Z")

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Hello, I am allowed 4 simultaneous users on my Perspective client. However, I’ve noticed that when I close a session, the token remains active for too long even after closing. I would like the token to be released qui…

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