# Ignition **URL:** https://forum.inductiveautomation.com/c/ignition/6.md?no_subcategories=false&page=21 [Latest](https://forum.inductiveautomation.com/latest.md) · [Categories](https://forum.inductiveautomation.com/categories.md) · [Tags](https://forum.inductiveautomation.com/tags.md) **Page:** 22 --- ## [SLC OPC Connection Path Through Two ControlLogix Chassis](https://forum.inductiveautomation.com/t/slc-opc-connection-path-through-two-controllogix-chassis/107133)
**Author:** [@Jacob\_Sanchez](https://forum.inductiveautomation.com/u/Jacob_Sanchez)\ **Replies:** 6\ **Last updated:** [July 21, 2026, 9:36pm UTC](https://forum.inductiveautomation.com/t/slc-opc-connection-path-through-two-controllogix-chassis/107133 "2026-07-21T21:36:48Z")
Ignition 8.1.31 I'm trying to configure an SLC 5/04 OPC-UA device driver. It routes through two ControlLogix chassis. The SLC(5/04) itself is connected to a DH+ network which connects back to one of the ControlLogix cha… --- ## [Ignition Historian Mystery](https://forum.inductiveautomation.com/t/ignition-historian-mystery/116356)
**Author:** [@byrnep](https://forum.inductiveautomation.com/u/byrnep)\ **Replies:** 10\ **Last updated:** [July 21, 2026, 7:43pm UTC](https://forum.inductiveautomation.com/t/ignition-historian-mystery/116356 "2026-07-21T19:43:52Z")
Hi, so the fundamental issue is we have boolean OPC tags (polled via OPC-UA, this is important see below) that are valid live and correct, that have historians attached set to record on change, and the changes do not see… --- ## [Sending email via SMTP failed](https://forum.inductiveautomation.com/t/sending-email-via-smtp-failed/74559)
**Author:** [@zxcslo](https://forum.inductiveautomation.com/u/zxcslo)\ **Replies:** 9\ **Last updated:** [July 21, 2026, 7:27pm UTC](https://forum.inductiveautomation.com/t/sending-email-via-smtp-failed/74559 "2026-07-21T19:27:01Z")
One of our customers reached out today, saying that sending alarm emails no longer works (for the last few days). When I try sending a test email from the Ignition gateway Test SMTP Server page, this is what I get back… --- ## [Getting failing grade in alarming and vision in core certification](https://forum.inductiveautomation.com/t/getting-failing-grade-in-alarming-and-vision-in-core-certification/116482)
**Author:** [@reddymani846](https://forum.inductiveautomation.com/u/reddymani846)\ **Replies:** 1\ **Last updated:** [July 21, 2026, 3:16pm UTC](https://forum.inductiveautomation.com/t/getting-failing-grade-in-alarming-and-vision-in-core-certification/116482 "2026-07-21T15:16:24Z")
i gave my core certification test and i got a failing grade in vision and alarming. before submitting test i have cross checked each and every answers but still failed in them. I am sure that 80% of my answers are 100% c… --- ## [Unable to start Designer or Client ERROR "This Launch Jar Signature is invalid. Contact an administrator"](https://forum.inductiveautomation.com/t/unable-to-start-designer-or-client-error-this-launch-jar-signature-is-invalid-contact-an-administrator/96092)
**Author:** [@Justin\_Bodycomb](https://forum.inductiveautomation.com/u/Justin_Bodycomb)\ **Replies:** 26\ **Last updated:** [July 21, 2026, 2:25pm UTC](https://forum.inductiveautomation.com/t/unable-to-start-designer-or-client-error-this-launch-jar-signature-is-invalid-contact-an-administrator/96092 "2026-07-21T14:25:40Z")
Hello I have been using ignition for awhile. I recently uploaded my files to an IPC in my control panel. It was working great for a few days until about an hour ago. I have been getting the error every time I try to laun… --- ## [Communication Issues Due to Broken Tags](https://forum.inductiveautomation.com/t/communication-issues-due-to-broken-tags/116477)
**Author:** [@ttoth](https://forum.inductiveautomation.com/u/ttoth)\ **Replies:** 7\ **Last updated:** [July 21, 2026, 2:22pm UTC](https://forum.inductiveautomation.com/t/communication-issues-due-to-broken-tags/116477 "2026-07-21T14:22:56Z")
Using vision 8.1.27 I have been having communication issues between ignition and PLC. For a while I could see Good\_Overload quality on some tags in the tag browser and I found 2 tags that were errored in Ignition becaus… --- ## [How to Create Linked Symbols and Faceplates in Ignition?](https://forum.inductiveautomation.com/t/how-to-create-linked-symbols-and-faceplates-in-ignition/116466)
**Author:** [@sudhamadiwale13](https://forum.inductiveautomation.com/u/sudhamadiwale13)\ **Replies:** 4\ **Last updated:** [July 21, 2026, 2:05pm UTC](https://forum.inductiveautomation.com/t/how-to-create-linked-symbols-and-faceplates-in-ignition/116466 "2026-07-21T14:05:25Z")
Hi everyone, I am a new learner of Ignition SCADA and I'm currently exploring how to build reusable components. I would like to learn: How can I create linked symbols (reusable graphics/components) in Ignition? How d… --- ## [PowerChart line end](https://forum.inductiveautomation.com/t/powerchart-line-end/116478)
**Author:** [@ecurreaux](https://forum.inductiveautomation.com/u/ecurreaux)\ **Replies:** 1\ **Last updated:** [July 21, 2026, 1:42pm UTC](https://forum.inductiveautomation.com/t/powerchart-line-end/116478 "2026-07-21T13:42:19Z")
Hello, On a PowerChart, the curve shows a flat line at the end of the historical data. --- ## [Table clearing error](https://forum.inductiveautomation.com/t/table-clearing-error/64027)
**Author:** [@william.ivey](https://forum.inductiveautomation.com/u/william.ivey)\ **Replies:** 16\ **Last updated:** [July 21, 2026, 1:23pm UTC](https://forum.inductiveautomation.com/t/table-clearing-error/64027 "2026-07-21T13:23:43Z")
When trying to clear the selection on a table in Perspective, I am getting the error below. Does anyone know if this is a bug with the software? (using version 8.1.19 here) 13:24:33.701 \[Browser Thread: 57184\] ERROR Per… --- ## [AD/Internal Hybrid user source only returns a subset of users instead of the full AD list](https://forum.inductiveautomation.com/t/ad-internal-hybrid-user-source-only-returns-a-subset-of-users-instead-of-the-full-ad-list/116471)
**Author:** [@oliver.bernhard](https://forum.inductiveautomation.com/u/oliver.bernhard)\ **Replies:** 1\ **Last updated:** [July 21, 2026, 9:48am UTC](https://forum.inductiveautomation.com/t/ad-internal-hybrid-user-source-only-returns-a-subset-of-users-instead-of-the-full-ad-list/116471 "2026-07-21T09:48:06Z")
Hi everyone, I am using an Ignition AD/Internal Hybrid user source. Authentication works correctly. In Active Directory, the OU used as the user listing base contains all users and looks correct. However, in Ignition, … --- ## [Perspective Drawing - Union of multiple objects](https://forum.inductiveautomation.com/t/perspective-drawing-union-of-multiple-objects/116433)
**Author:** [@pnash](https://forum.inductiveautomation.com/u/pnash)\ **Replies:** 1\ **Last updated:** [July 21, 2026, 12:29am UTC](https://forum.inductiveautomation.com/t/perspective-drawing-union-of-multiple-objects/116433 "2026-07-21T00:29:33Z")
Hello, Is there currently a way to union or merge multiple objects using the new Perspective drawing tools? I have been experimenting with masking and clipping, but I have not found a reliable way to remove the overlap… --- ## [White top/left margins - v8.3, Perspective, Linux](https://forum.inductiveautomation.com/t/white-top-left-margins-v8-3-perspective-linux/116449)
**Author:** [@casian](https://forum.inductiveautomation.com/u/casian)\ **Replies:** 10\ **Last updated:** [July 20, 2026, 10:54pm UTC](https://forum.inductiveautomation.com/t/white-top-left-margins-v8-3-perspective-linux/116449 "2026-07-20T22:54:52Z")
Hi, Anyone can help identify why I have these margins when running the sessions/ --- ## [SQL UPDATE statements silently fail in script console](https://forum.inductiveautomation.com/t/sql-update-statements-silently-fail-in-script-console/116457)
**Author:** [@TT-ignit](https://forum.inductiveautomation.com/u/TT-ignit)\ **Replies:** 5\ **Last updated:** [July 20, 2026, 4:34pm UTC](https://forum.inductiveautomation.com/t/sql-update-statements-silently-fail-in-script-console/116457 "2026-07-20T16:34:18Z")
Hello all I'm here to get help eliminating possible issues on my end before claiming there's a bug with Ignition. I'm writing some library functions that generically handle reporting requests. While doing so I'm breaki… --- ## [Faulted: Broken Pipe](https://forum.inductiveautomation.com/t/faulted-broken-pipe/116464)
**Author:** [@jay\_collosi](https://forum.inductiveautomation.com/u/jay_collosi)\ **Replies:** 1\ **Last updated:** [July 20, 2026, 3:03pm UTC](https://forum.inductiveautomation.com/t/faulted-broken-pipe/116464 "2026-07-20T15:03:04Z")
I'm running Ignition 8.1.53, i received this message this morning '....Faulted: Broken pipe'. \<- incoming local='xxmasterxx' remote='xxbackupxx' method=onClose: Connection xxbackupxx|5bxx-xxxxx-xxxxx has been set to Fau… --- ## [OPC UA Methods array error](https://forum.inductiveautomation.com/t/opc-ua-methods-array-error/115956)
**Author:** [@Adarsh\_K](https://forum.inductiveautomation.com/u/Adarsh_K)\ **Replies:** 2\ **Last updated:** [July 20, 2026, 9:58am UTC](https://forum.inductiveautomation.com/t/opc-ua-methods-array-error/115956 "2026-07-20T09:58:33Z")
I am calling a Siemens PLC OPC UA Method from Ignition Perspective using system.opcua.callMethod(). The method expects 2 inputs: Header — custom struct Parameter — Array\[0..1\] of custom struct When I sent one p… --- ## [Has anyone got NFC read to work on an Android/Apple Phone or Tablet?](https://forum.inductiveautomation.com/t/has-anyone-got-nfc-read-to-work-on-an-android-apple-phone-or-tablet/39279)
**Author:** [@mlatour](https://forum.inductiveautomation.com/u/mlatour)\ **Replies:** 48\ **Last updated:** [July 20, 2026, 12:27am UTC](https://forum.inductiveautomation.com/t/has-anyone-got-nfc-read-to-work-on-an-android-apple-phone-or-tablet/39279 "2026-07-20T00:27:01Z")
We’ve been trying to test out some new prox card badges that have NFC using an Android or Apple tablet with the Perspective app, but can’t seem to get anything to work in the way of reading the NFC tag. We’re able to re… --- ## [\[IGN-15393\]Unable to save Vision Designer after writing to Dataset Tag](https://forum.inductiveautomation.com/t/ign-15393-unable-to-save-vision-designer-after-writing-to-dataset-tag/113995)
**Author:** [@kens](https://forum.inductiveautomation.com/u/kens)\ **Replies:** 7\ **Last updated:** [July 18, 2026, 9:02am UTC](https://forum.inductiveautomation.com/t/ign-15393-unable-to-save-vision-designer-after-writing-to-dataset-tag/113995 "2026-07-18T09:02:58Z")
I’m attempting to store a custom list into a Vision Client Dataset tag. The following script seems to work, and I can see the data loaded into the tag: myList = \['abc','def','foo'\] headers = \['bar'\] rows = \[\[x\] for x in… --- ## [Duplicate driver entries in sqlth\_drv — partitions registered under old drvid, boundary value lookup returns empty (8.1.44)](https://forum.inductiveautomation.com/t/duplicate-driver-entries-in-sqlth-drv-partitions-registered-under-old-drvid-boundary-value-lookup-returns-empty-8-1-44/116451)
**Author:** [@marlonf04](https://forum.inductiveautomation.com/u/marlonf04)\ **Replies:** 0\ **Last updated:** [July 18, 2026, 12:22am UTC](https://forum.inductiveautomation.com/t/duplicate-driver-entries-in-sqlth-drv-partitions-registered-under-old-drvid-boundary-value-lookup-returns-empty-8-1-44/116451 "2026-07-18T00:22:11Z")
Hi all, Running Ignition 8.1.44 with a SQL Server historian. Tag history queries return 0 rows with no error whenever the queried range doesn't contain an actual value change — the boundary/bounding value lookup isn't h… --- ## [How to export an inherited project as a standalone (remove parent dependency)?](https://forum.inductiveautomation.com/t/how-to-export-an-inherited-project-as-a-standalone-remove-parent-dependency/116448)
**Author:** [@GUILHERME\_MARTINS](https://forum.inductiveautomation.com/u/GUILHERME_MARTINS)\ **Replies:** 2\ **Last updated:** [July 17, 2026, 10:05pm UTC](https://forum.inductiveautomation.com/t/how-to-export-an-inherited-project-as-a-standalone-remove-parent-dependency/116448 "2026-07-17T22:05:10Z")
Hi everyone, I have a question about project inheritance and how to properly separate projects. In our case, the team originally developed a project called CRVG. Later, using the same gateway, they created another proj… --- ## [Dynamic Tag names in a UDT](https://forum.inductiveautomation.com/t/dynamic-tag-names-in-a-udt/116446)
**Author:** [@sjjones](https://forum.inductiveautomation.com/u/sjjones)\ **Replies:** 2\ **Last updated:** [July 17, 2026, 8:00pm UTC](https://forum.inductiveautomation.com/t/dynamic-tag-names-in-a-udt/116446 "2026-07-17T20:00:49Z")
Hello, I had an issue with UDTs I haven't found before I'd like to create a UDT parameter, and depending on the parameter name, the tag names inside of the UDT will change. For example, if the parameter was "MT05" the … --- ## [Polling Performance](https://forum.inductiveautomation.com/t/polling-performance/116376)
**Author:** [@jfan](https://forum.inductiveautomation.com/u/jfan)\ **Replies:** 11\ **Last updated:** [July 17, 2026, 5:49pm UTC](https://forum.inductiveautomation.com/t/polling-performance/116376 "2026-07-17T17:49:12Z")
One of my projects has 5 identical systems (same PLC, same PLC program, same PLC program firmware, and one Ignition Perspective project). The 5 systems share the same Ignition UDTs and tag groups setting. However, one of… --- ## [Global enable/disable of a button by checkbox status](https://forum.inductiveautomation.com/t/global-enable-disable-of-a-button-by-checkbox-status/116444)
**Author:** [@Mark\_Rowell](https://forum.inductiveautomation.com/u/Mark_Rowell)\ **Replies:** 2\ **Last updated:** [July 17, 2026, 5:20pm UTC](https://forum.inductiveautomation.com/t/global-enable-disable-of-a-button-by-checkbox-status/116444 "2026-07-17T17:20:50Z")
Not sur if this is a stupid question as I've not delved too far into this yet: Is there a script or other way to enable and disable a button for all clients by selecting a checkbox? Currently only performs locally on th… --- ## [SerializationException: Error during serialization for property](https://forum.inductiveautomation.com/t/serializationexception-error-during-serialization-for-property/65220)
**Author:** [@snehal.raj](https://forum.inductiveautomation.com/u/snehal.raj)\ **Replies:** 17\ **Last updated:** [July 17, 2026, 5:15pm UTC](https://forum.inductiveautomation.com/t/serializationexception-error-during-serialization-for-property/65220 "2026-07-17T17:15:00Z")
I am getting below error while saving my window on Ignition vision. V 8.1.18 com.inductiveautomation.ignition.common.xmlserialization.SerializationException: Error during serialization for property 'contentPane' on obje… --- ## [Is it possible for gateway settings to be stored on an external database?](https://forum.inductiveautomation.com/t/is-it-possible-for-gateway-settings-to-be-stored-on-an-external-database/116442)
**Author:** [@derek.delizo](https://forum.inductiveautomation.com/u/derek.delizo)\ **Replies:** 7\ **Last updated:** [July 17, 2026, 5:12pm UTC](https://forum.inductiveautomation.com/t/is-it-possible-for-gateway-settings-to-be-stored-on-an-external-database/116442 "2026-07-17T17:12:55Z")
I come from a Full Stack developer background and was thinking how for frontend applications the state and settings are retrieved from the database on the backend. I recall that ignition 8.1 stored gateway settings in .… --- ## [Gateway version downgrading](https://forum.inductiveautomation.com/t/gateway-version-downgrading/99482)
**Author:** [@Nisarg\_Gujjar](https://forum.inductiveautomation.com/u/Nisarg_Gujjar)\ **Replies:** 16\ **Last updated:** [July 17, 2026, 4:41pm UTC](https://forum.inductiveautomation.com/t/gateway-version-downgrading/99482 "2026-07-17T16:41:28Z")
I have a project bkp which is in 8.1.35 and i need to downgrade it to 8.1.24. From most of my searches, i found common suggestions that says uninstall current ignition version 8.1.35 and install 8.1.24. I have already t… --- ## [Script Editor Zoom Bug](https://forum.inductiveautomation.com/t/script-editor-zoom-bug/116443)
**Author:** [@Taylor\_Jones](https://forum.inductiveautomation.com/u/Taylor_Jones)\ **Replies:** 0\ **Last updated:** [July 17, 2026, 2:47pm UTC](https://forum.inductiveautomation.com/t/script-editor-zoom-bug/116443 "2026-07-17T14:47:07Z")
Our group recently upgraded from version 8.1.37 to version 8.1.51. We've noticed some new behaviour with the script editor. Upon opening, the script editor is now 1 level further zoomed in. This alone is not so much of a… --- ## [Ignition Container Keeps Logging "Syntax error Couldn't repair and continue parse" and I don't know why](https://forum.inductiveautomation.com/t/ignition-container-keeps-logging-syntax-error-couldnt-repair-and-continue-parse-and-i-dont-know-why/114082)
**Author:** [@derek.delizo](https://forum.inductiveautomation.com/u/derek.delizo)\ **Replies:** 6\ **Last updated:** [July 17, 2026, 1:35pm UTC](https://forum.inductiveautomation.com/t/ignition-container-keeps-logging-syntax-error-couldnt-repair-and-continue-parse-and-i-dont-know-why/114082 "2026-07-17T13:35:24Z")
My team is using ignition in a docker container with a bind volume mount type for the data folder. We did it this way for tracking file changes using git. Today I ran into an issue after merging branches. The ignition in… --- ## [Moving Analog Indicator Bug?](https://forum.inductiveautomation.com/t/moving-analog-indicator-bug/116430)
**Author:** [@grzegorz.kaczmarczy1](https://forum.inductiveautomation.com/u/grzegorz.kaczmarczy1)\ **Replies:** 6\ **Last updated:** [July 17, 2026, 8:07am UTC](https://forum.inductiveautomation.com/t/moving-analog-indicator-bug/116430 "2026-07-17T08:07:07Z")
Hi, As shown above - when I add my UDT view, the Moving Analog Indicator, which is nested in flex and coord cointainers, is rotated and enlarged. After, unclicking and clicking Display property, in the Designer… --- ## [Using labels as buttons](https://forum.inductiveautomation.com/t/using-labels-as-buttons/116410)
**Author:** [@Thomas\_Mulcahy](https://forum.inductiveautomation.com/u/Thomas_Mulcahy)\ **Replies:** 12\ **Last updated:** [July 17, 2026, 2:58am UTC](https://forum.inductiveautomation.com/t/using-labels-as-buttons/116410 "2026-07-17T02:58:21Z")
Hi, I have a question about using labels as buttons in Vision. A colleague of mine suggested that labels shouldn't be used as buttons due to them not acting the same as buttons. I have used this method on multiple diffe… --- ## [Hostnames on 8.1 to 8.3](https://forum.inductiveautomation.com/t/hostnames-on-8-1-to-8-3/116409)
**Author:** [@jake.bierman](https://forum.inductiveautomation.com/u/jake.bierman)\ **Replies:** 9\ **Last updated:** [July 17, 2026, 12:52am UTC](https://forum.inductiveautomation.com/t/hostnames-on-8-1-to-8-3/116409 "2026-07-17T00:52:31Z")
Hey everyone, I'm currently testing a project migration from Ignition 8.1.54 to 8.3.7 and have run into an issue with system.util.sendMessage(). Our existing implementation targets Vision clients using the client hostn… [Previous page](https://forum.inductiveautomation.com/c/ignition/6.md?no_subcategories=false&page=20) [Next page](https://forum.inductiveautomation.com/c/ignition/6.md?no_subcategories=false&page=22)