# Ignition **URL:** https://forum.inductiveautomation.com/c/ignition/6.md?page=1227 [Latest](https://forum.inductiveautomation.com/latest.md) · [Categories](https://forum.inductiveautomation.com/categories.md) · [Tags](https://forum.inductiveautomation.com/tags.md) **Page:** 1228 --- ## [Could not load parameter model](https://forum.inductiveautomation.com/t/could-not-load-parameter-model/26682)
**Author:** [@julian.medina](https://forum.inductiveautomation.com/u/julian.medina)\ **Replies:** 6\ **Last updated:** [December 19, 2019, 1:52pm UTC](https://forum.inductiveautomation.com/t/could-not-load-parameter-model/26682 "2019-12-19T13:52:33Z")
Hey guys! I’ve created a Nested UDT with parameters and while attempting to run the wizard, I ran into an error without detail that says “Could not load parameter model”. Any I dea why that may be happening? I’m attac… --- ## [Scan Classes not working](https://forum.inductiveautomation.com/t/scan-classes-not-working/28489)
**Author:** [@ks0](https://forum.inductiveautomation.com/u/ks0)\ **Replies:** 14\ **Last updated:** [December 19, 2019, 12:49pm UTC](https://forum.inductiveautomation.com/t/scan-classes-not-working/28489 "2019-12-19T12:49:48Z")
Having a rather strange one that is a bit of concern as we beef up our data collection… The site I’m on has recently upgraded from 7.9.1 to 7.9.12 and it seems scan classes are now no longer having any effect. They simpl… --- ## [Power Table custom renderer with JButton](https://forum.inductiveautomation.com/t/power-table-custom-renderer-with-jbutton/11970)
**Author:** [@dfreiberger](https://forum.inductiveautomation.com/u/dfreiberger)\ **Replies:** 10\ **Last updated:** [December 19, 2019, 9:25am UTC](https://forum.inductiveautomation.com/t/power-table-custom-renderer-with-jbutton/11970 "2019-12-19T09:25:19Z")
Hello, I am trying to add a button to a column in a power table. I am able to add the button and register an action listener, but the clicking event is never received by the listener. Any suggestions? In the Power Ta… --- ## [Perspective script syntax to check null value on dropdown component value](https://forum.inductiveautomation.com/t/perspective-script-syntax-to-check-null-value-on-dropdown-component-value/30749)
**Author:** [@guganathan.r](https://forum.inductiveautomation.com/u/guganathan.r)\ **Replies:** 5\ **Last updated:** [December 19, 2019, 7:29am UTC](https://forum.inductiveautomation.com/t/perspective-script-syntax-to-check-null-value-on-dropdown-component-value/30749 "2019-12-19T07:29:40Z")
I’m just writing a simple ‘if’ loop to check the content of dropdown value and popup a message to user if the content is empty when they press submit button. Since the dropdown menu has clear button on it, when we clear … --- ## [Perspective Alarm Status Table Issue](https://forum.inductiveautomation.com/t/perspective-alarm-status-table-issue/30815)
**Author:** [@amirsalar.arya.kia](https://forum.inductiveautomation.com/u/amirsalar.arya.kia)\ **Replies:** 0\ **Last updated:** [December 19, 2019, 5:34am UTC](https://forum.inductiveautomation.com/t/perspective-alarm-status-table-issue/30815 "2019-12-19T05:34:05Z")
Hi, The Alarm Status Table component in perspective doesn’t work. It just keeps trying to load while the Alarm Status Table component in vision works perfectly fine. I don’t change any settings so it loads any alarms th… --- ## [\[BUG\] Attempting to rename UDT instance tag issue](https://forum.inductiveautomation.com/t/bug-attempting-to-rename-udt-instance-tag-issue/30814)
**Author:** [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\ **Replies:** 0\ **Last updated:** [December 19, 2019, 4:58am UTC](https://forum.inductiveautomation.com/t/bug-attempting-to-rename-udt-instance-tag-issue/30814 "2019-12-19T04:58:29Z")
7.9.12 I just attempted, accidentally, to rename the tag within a UDT inside of the instance instead of the template, and it let me, however strange things happened once I pressed enter… I renamed a tag within .../Cent… --- ## [Publish to MQTT Topic From RPi](https://forum.inductiveautomation.com/t/publish-to-mqtt-topic-from-rpi/30812)
**Author:** [@dkhayes117](https://forum.inductiveautomation.com/u/dkhayes117)\ **Replies:** 0\ **Last updated:** [December 18, 2019, 9:10pm UTC](https://forum.inductiveautomation.com/t/publish-to-mqtt-topic-from-rpi/30812 "2019-12-18T21:10:59Z")
I’m trying to use the Cirrus-Link mqtt modules to publish to a topic from a raspberry pi. I have paho mqtt installed on the raspberry pi. I have a user setup in distributor as user: rpi and password: raspberry. Next, I… --- ## [Project Browser not expanding on startup](https://forum.inductiveautomation.com/t/project-browser-not-expanding-on-startup/30810)
**Author:** [@dsui](https://forum.inductiveautomation.com/u/dsui)\ **Replies:** 0\ **Last updated:** [December 18, 2019, 8:25pm UTC](https://forum.inductiveautomation.com/t/project-browser-not-expanding-on-startup/30810 "2019-12-18T20:25:25Z")
Currently running version 8.0.6. One thing I noticed is that if I open a recently modified Vision window or template upon opening a project in the Designer, the Project Browser does not immediately expand to the window/t… --- ## [\[BUG-15531\] Designer component focus box](https://forum.inductiveautomation.com/t/bug-15531-designer-component-focus-box/29860)
**Author:** [@craigb](https://forum.inductiveautomation.com/u/craigb)\ **Replies:** 12\ **Last updated:** [December 18, 2019, 5:34pm UTC](https://forum.inductiveautomation.com/t/bug-15531-designer-component-focus-box/29860 "2019-12-18T17:34:00Z")
Im on build b2019111102 updated today but I had the same problem with the last build. When i try to deep select a component the ‘select box’ is alyways off to the upper left, see attachment. If i create a new view it is … --- ## [Edge Panel - users, roles](https://forum.inductiveautomation.com/t/edge-panel-users-roles/30804)
**Author:** [@scott\_stc](https://forum.inductiveautomation.com/u/scott_stc)\ **Replies:** 6\ **Last updated:** [December 18, 2019, 5:29pm UTC](https://forum.inductiveautomation.com/t/edge-panel-users-roles/30804 "2019-12-18T17:29:38Z")
We are developing a stand-alone HMI panel using Ignition Edge Panel. Development is fine…until we try to configure users and/or roles. Systems will not let us add either one. When we try, it locks up the browser for a… --- ## [JMenuItem elements resulting from a query and that seems like a table](https://forum.inductiveautomation.com/t/jmenuitem-elements-resulting-from-a-query-and-that-seems-like-a-table/30794)
**Author:** [@giulio.comito](https://forum.inductiveautomation.com/u/giulio.comito)\ **Replies:** 2\ **Last updated:** [December 18, 2019, 4:46pm UTC](https://forum.inductiveautomation.com/t/jmenuitem-elements-resulting-from-a-query-and-that-seems-like-a-table/30794 "2019-12-18T16:46:33Z")
Hello everyone! I created a script that opens a popup below the clicked row (JMenuItem) … I would like to know basically two things: Can the items displayed in the popup be the result of a query? Is it possible to add… --- ## [Non-specified component errors](https://forum.inductiveautomation.com/t/non-specified-component-errors/30788)
**Author:** [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\ **Replies:** 1\ **Last updated:** [December 18, 2019, 4:43pm UTC](https://forum.inductiveautomation.com/t/non-specified-component-errors/30788 "2019-12-18T16:43:39Z")
7.9.12 I’m getting some errors in the designer when I have a window open that don’t specify the component that the errors are coming from: I know that I’m using a case statement to convert a tag value into a string, … --- ## [Export report data to excel 8.0.6](https://forum.inductiveautomation.com/t/export-report-data-to-excel-8-0-6/30803)
**Author:** [@drinaldi](https://forum.inductiveautomation.com/u/drinaldi)\ **Replies:** 2\ **Last updated:** [December 18, 2019, 4:28pm UTC](https://forum.inductiveautomation.com/t/export-report-data-to-excel-8-0-6/30803 "2019-12-18T16:28:06Z")
Hello, I have made a report with data sources. from my vision window, the report viewer works fine. Now I am trying to export the data from the report using a button on the window. There is no way to select the data so… --- ## [Being able to get the right error/exception?](https://forum.inductiveautomation.com/t/being-able-to-get-the-right-error-exception/30799)
**Author:** [@bkarabinchak.psi](https://forum.inductiveautomation.com/u/bkarabinchak.psi)\ **Replies:** 2\ **Last updated:** [December 18, 2019, 4:01pm UTC](https://forum.inductiveautomation.com/t/being-able-to-get-the-right-error-exception/30799 "2019-12-18T16:01:35Z")
I have a simple function to return some info about columns in a database table. def getDBColumnInfo(tableName): """ Fetchs the columns from the database and returns them as a list of strings Args: tableName: str, n… --- ## [Alarm Notifications](https://forum.inductiveautomation.com/t/alarm-notifications/30798)
**Author:** [@Schwartzds](https://forum.inductiveautomation.com/u/Schwartzds)\ **Replies:** 0\ **Last updated:** [December 18, 2019, 2:48pm UTC](https://forum.inductiveautomation.com/t/alarm-notifications/30798 "2019-12-18T14:48:26Z")
Setup Voice alarms and they are working fine in test mode and if I setup a memory tag. I have tried the pipeline on other tags and the alarm shows up it just does not go through the notification pipeline. Any suggestions… --- ## [Global name 'shared' is not defined](https://forum.inductiveautomation.com/t/global-name-shared-is-not-defined/25300)
**Author:** [@TimE](https://forum.inductiveautomation.com/u/TimE)\ **Replies:** 3\ **Last updated:** [December 18, 2019, 1:32pm UTC](https://forum.inductiveautomation.com/t/global-name-shared-is-not-defined/25300 "2019-12-18T13:32:53Z")
Good morning, Ignition V7.9.10 We have a global shared script used for calculating uptime on our production lines. This was migrated to another plant (gateway) and we are seeing the error below. If the function is cal… --- ## [Barcode Scanner program Help](https://forum.inductiveautomation.com/t/barcode-scanner-program-help/23069)
**Author:** [@juang](https://forum.inductiveautomation.com/u/juang)\ **Replies:** 16\ **Last updated:** [March 8, 2019, 3:28pm UTC](https://forum.inductiveautomation.com/t/barcode-scanner-program-help/23069 "2019-03-08T15:28:27Z")
I have a Zebra LI3678 Scanner, but i can use any other scanner if anybody has been succesfull with them. what i want is to be able to report back to the scanner and make the scanner flash RED or Green LED. I want to m… --- ## [Ignition Support Contract](https://forum.inductiveautomation.com/t/ignition-support-contract/30783)
**Author:** [@dcamp1](https://forum.inductiveautomation.com/u/dcamp1)\ **Replies:** 2\ **Last updated:** [December 18, 2019, 2:17am UTC](https://forum.inductiveautomation.com/t/ignition-support-contract/30783 "2019-12-18T02:17:25Z")
Hello: I have a (Paid) support contract for my Ignition software, but it seems that MUST only work if I place a phone call to them. I am out of the office so much and most of the time my cell phone has no signal, so I r… --- ## [\[Feature-15151\] - Mac OSX - Cannot run Designer Launcher because its by an unidentified developer](https://forum.inductiveautomation.com/t/feature-15151-mac-osx-cannot-run-designer-launcher-because-its-by-an-unidentified-developer/30784)
**Author:** [@AustralIan](https://forum.inductiveautomation.com/u/AustralIan)\ **Replies:** 3\ **Last updated:** [December 18, 2019, 12:07am UTC](https://forum.inductiveautomation.com/t/feature-15151-mac-osx-cannot-run-designer-launcher-because-its-by-an-unidentified-developer/30784 "2019-12-18T00:07:25Z")
Hi, I downloaded and installed ignition 8.0.6 on my Mac OS 10.13.6 High Sierra. 2hr demo is currently started. So I logged on to my gateway and grabbed the Designer Launcher for Mac and its all " “Designer Launcher” c… --- ## [Property Change Script on Custom Object](https://forum.inductiveautomation.com/t/property-change-script-on-custom-object/30782)
**Author:** [@Jonathan](https://forum.inductiveautomation.com/u/Jonathan)\ **Replies:** 1\ **Last updated:** [December 17, 2019, 10:49pm UTC](https://forum.inductiveautomation.com/t/property-change-script-on-custom-object/30782 "2019-12-17T22:49:21Z")
In Perspective I have a custom object property that I would like to turn back into a python instance. The problem I am seeing is that all the properties with my object that are also other python classes are qualified val… --- ## [Plx51-df1-eni with slc500](https://forum.inductiveautomation.com/t/plx51-df1-eni-with-slc500/30553)
**Author:** [@m.tijerinacav](https://forum.inductiveautomation.com/u/m.tijerinacav)\ **Replies:** 2\ **Last updated:** [December 9, 2019, 8:31pm UTC](https://forum.inductiveautomation.com/t/plx51-df1-eni-with-slc500/30553 "2019-12-09T20:31:16Z")
Hello everyone, I’m trying to communicate to an SLC500 through the PLX51-DF1-ENI module by ProSoft Technologies… This is a DF1 to E/IP gateway like the 1761-NET-ENI of AB. I couldn’t find a way to connect this PLC, I d… --- ## [Get Average Time Between Tag Value Change](https://forum.inductiveautomation.com/t/get-average-time-between-tag-value-change/30772)
**Author:** [@wci.jgiese](https://forum.inductiveautomation.com/u/wci.jgiese)\ **Replies:** 3\ **Last updated:** [December 17, 2019, 7:47pm UTC](https://forum.inductiveautomation.com/t/get-average-time-between-tag-value-change/30772 "2019-12-17T19:47:52Z")
We have a tag that goes high when our machine is running, and low when it is not. We would like to get an idea over X time what the average time between High -\> Low is. I have been playing around with tag calculations an… --- ## [Table - whitespace on bottom?](https://forum.inductiveautomation.com/t/table-whitespace-on-bottom/30771)
**Author:** [@tmahaffey](https://forum.inductiveautomation.com/u/tmahaffey)\ **Replies:** 0\ **Last updated:** [December 17, 2019, 5:17pm UTC](https://forum.inductiveautomation.com/t/table-whitespace-on-bottom/30771 "2019-12-17T17:17:29Z")
Can anyone help me get rid of the whitespace on my table? I changed all the footer colors, background colors for every property, everything I can find to edit color in the parameters of this table to grey, and I still … --- ## [MySQL connection fault](https://forum.inductiveautomation.com/t/mysql-connection-fault/21155)
**Author:** [@eduardo.ojalvo](https://forum.inductiveautomation.com/u/eduardo.ojalvo)\ **Replies:** 8\ **Last updated:** [December 17, 2019, 4:20pm UTC](https://forum.inductiveautomation.com/t/mysql-connection-fault/21155 "2019-12-17T16:20:01Z")
Hi everybody, I´m trying to connect to a mysql database and it´s not possible because an error like this i get. Anybody has an idea? "org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory … --- ## [Database Query Editor cannot write NULL to field](https://forum.inductiveautomation.com/t/database-query-editor-cannot-write-null-to-field/30756)
**Author:** [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\ **Replies:** 3\ **Last updated:** [December 17, 2019, 2:39pm UTC](https://forum.inductiveautomation.com/t/database-query-editor-cannot-write-null-to-field/30756 "2019-12-17T14:39:01Z")
v7.9.12 I’m trying to write a NULL value into a field in the Database Query Browser, however I get a big fat red when I do… is this a limitation, or is there some sytnax I need to use? Also, what type of query makes a … --- ## [Issue with Exporting - Duplicate of window?](https://forum.inductiveautomation.com/t/issue-with-exporting-duplicate-of-window/30764)
**Author:** [@bkarabinchak.psi](https://forum.inductiveautomation.com/u/bkarabinchak.psi)\ **Replies:** 0\ **Last updated:** [December 17, 2019, 2:38pm UTC](https://forum.inductiveautomation.com/t/issue-with-exporting-duplicate-of-window/30764 "2019-12-17T14:38:02Z")
Not sure how this happened or why but I noticed it when I tried exporting a window from a dev server to the production server and nothing changed. When I go to export notice on the right I have two windows “List Quotes”… --- ## [\[Question\] Ignition \> Kepware: Tags value speed](https://forum.inductiveautomation.com/t/question-ignition-kepware-tags-value-speed/30732)
**Author:** [@n.meluccio](https://forum.inductiveautomation.com/u/n.meluccio)\ **Replies:** 6\ **Last updated:** [December 17, 2019, 2:19pm UTC](https://forum.inductiveautomation.com/t/question-ignition-kepware-tags-value-speed/30732 "2019-12-17T14:19:46Z")
Hello there, i tried to set up a simple communication in my local network that involve an Allen-Bradley PLC, Ignition v8.0.6 STABLE and Kepware. I'm trying to read Tags as fast as i can, ergo 100/150ms. The PLC routin… --- ## [Script failing despite being within a try/except](https://forum.inductiveautomation.com/t/script-failing-despite-being-within-a-try-except/30757)
**Author:** [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\ **Replies:** 2\ **Last updated:** [December 17, 2019, 12:31pm UTC](https://forum.inductiveautomation.com/t/script-failing-despite-being-within-a-try-except/30757 "2019-12-17T12:31:59Z")
I have this code that is failing at the SQL query and does not execute the except code. Basically I want to write to some tags if this script fails. Sometimes the end date is null and so this SQL INSERT will fail, as in … --- ## [Query data from Aspentech Historian](https://forum.inductiveautomation.com/t/query-data-from-aspentech-historian/30759)
**Author:** [@pascal](https://forum.inductiveautomation.com/u/pascal)\ **Replies:** 0\ **Last updated:** [December 17, 2019, 10:08am UTC](https://forum.inductiveautomation.com/t/query-data-from-aspentech-historian/30759 "2019-12-17T10:08:54Z")
Hello, Has anyone ever queried data from Aspentech Historian ? --- ## [Pasting into shape group resizes grouped objects within](https://forum.inductiveautomation.com/t/pasting-into-shape-group-resizes-grouped-objects-within/30753)
**Author:** [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\ **Replies:** 0\ **Last updated:** [December 17, 2019, 6:56am UTC](https://forum.inductiveautomation.com/t/pasting-into-shape-group-resizes-grouped-objects-within/30753 "2019-12-17T06:56:02Z")
v7.9.12 I’m seeing strange behaviour when I paste shapes into a shape group, where all components within the group are all resized. Similarly, when you move objects outside the group bounds, the bounds expand, but when … [Previous page](https://forum.inductiveautomation.com/c/ignition/6.md?page=1226) [Next page](https://forum.inductiveautomation.com/c/ignition/6.md?page=1228)