# \#bug

**URL:** https://forum.opentap.io/tag/bug/12.md

[Latest](https://forum.opentap.io/latest.md) · [Categories](https://forum.opentap.io/categories.md) · [Tags](https://forum.opentap.io/tags.md)

---

## [Uninstallation error](https://forum.opentap.io/t/uninstallation-error/2625)

<div class="topic-metadata">

**Author:** [@laihesheng](https://forum.opentap.io/u/laihesheng)\
**Replies:** 4\
**Last updated:** [January 23, 2026, 12:51am UTC](https://forum.opentap.io/t/uninstallation-error/2625 "2026-01-23T00:51:23Z")

</div>

This exception occurs when I uninstall the developed plugin package using either the TUI or the PackageManager I developed myself. However, the operation works normally when using the Keysight Package Manager. Trying the…

---

## [Community License Error](https://forum.opentap.io/t/community-license-error/2578)

<div class="topic-metadata">

**Author:** [@laihesheng](https://forum.opentap.io/u/laihesheng)\
**Replies:** 2\
**Last updated:** [October 14, 2025, 1:36am UTC](https://forum.opentap.io/t/community-license-error/2578 "2025-10-14T01:36:55Z")

</div>

When I run Editor X and click on “Community License”, a “System Error” is displayed. Latest.txt (27.5 KB)

---

## [Keysight Package Manager won't install requirements.txt](https://forum.opentap.io/t/keysight-package-manager-wont-install-requirements-txt/2576)

<div class="topic-metadata">

**Author:** [@schuyler.fenton](https://forum.opentap.io/u/schuyler.fenton)\
**Replies:** 1\
**Last updated:** [October 2, 2025, 5:23pm UTC](https://forum.opentap.io/t/keysight-package-manager-wont-install-requirements-txt/2576 "2025-10-02T17:23:25Z")

</div>

When installing a python plugin that specifies a file, the package manager will not run the pip install command for the requirements.txt file. OpenTAP will correctly install packages in requirements.txt when installing …

---

## [Editor X 1.6.1 "Unable to check license" error when using Runner 1.11.0 and up](https://forum.opentap.io/t/editor-x-1-6-1-unable-to-check-license-error-when-using-runner-1-11-0-and-up/2530)

<div class="topic-metadata">

**Author:** [@schuyler.fenton](https://forum.opentap.io/u/schuyler.fenton)\
**Replies:** 1\
**Last updated:** [August 2, 2025, 3:55pm UTC](https://forum.opentap.io/t/editor-x-1-6-1-unable-to-check-license-error-when-using-runner-1-11-0-and-up/2530 "2025-08-02T15:55:24Z")

</div>

Using Runner 1.11.0 and up on the latest version of Editor X (1.6.1), all I get is a “Unable to check license.. Please contact administrator or restart application.” dialog on startup. For reference, I am on the communit…

---

## [Runner does not respond to SetTestPlanXML requests](https://forum.opentap.io/t/runner-does-not-respond-to-settestplanxml-requests/2521)

<div class="topic-metadata">

**Author:** [@schuyler.fenton](https://forum.opentap.io/u/schuyler.fenton)\
**Replies:** 1\
**Last updated:** [July 28, 2025, 11:48pm UTC](https://forum.opentap.io/t/runner-does-not-respond-to-settestplanxml-requests/2521 "2025-07-28T23:48:12Z")

</div>

I’m trying to automate test plan execution on a server using the Runner plugin, but I’m writing our client in Python using the nats-py package and I can’t get any “SetTestPlanXML” request to succeed. I’ve been able to co…

---

## [Python setter not recognized (property has no attribute setter)](https://forum.opentap.io/t/python-setter-not-recognized-property-has-no-attribute-setter/2476)

<div class="topic-metadata">

**Author:** [@faissal](https://forum.opentap.io/u/faissal)\
**Replies:** 3\
**Last updated:** [June 11, 2025, 12:47pm UTC](https://forum.opentap.io/t/python-setter-not-recognized-property-has-no-attribute-setter/2476 "2025-06-11T12:47:09Z")

</div>

Hi, I am having an issue defining setter for an attribute. When I try to define a setter for an attribute using @property.setter, an error is shown when the project is build stating that the property has no attribute se…

---

## [Instrument Names ending with space character causes load error](https://forum.opentap.io/t/instrument-names-ending-with-space-character-causes-load-error/1361)

<div class="topic-metadata">

**Author:** [@btyilmaz](https://forum.opentap.io/u/btyilmaz)\
**Replies:** 1\
**Last updated:** [February 14, 2024, 7:26am UTC](https://forum.opentap.io/t/instrument-names-ending-with-space-character-causes-load-error/1361 "2024-02-14T07:26:11Z")

</div>

Hi, I encountered a problem about instruments with names ending with space character. For example an instrument with name "Relay Module " is used on a test plan and when I try to load this test plan it gives an error ab…

---

## [Package Manager default settings not happy on Windows (file:///C:/Program%252520Files/OpenTAP)](https://forum.opentap.io/t/package-manager-default-settings-not-happy-on-windows-file-c-program-252520files-opentap/800)

<div class="topic-metadata">

**Author:** [@alan\_copeland](https://forum.opentap.io/u/alan_copeland)\
**Replies:** 1\
**Last updated:** [January 12, 2023, 3:18pm UTC](https://forum.opentap.io/t/package-manager-default-settings-not-happy-on-windows-file-c-program-252520files-opentap/800 "2023-01-12T15:18:05Z")

</div>

UPDATE: I submitted an issue here: Package Manager default settings not happy on Windows (file:///C:/Program%252520Files/OpenTAP) · Issue #760 · opentap/opentap · GitHub I’m seeing a problem when I install OpenTAP 9.18.…

---

## [Unable to install "Developer's System CE" package with OpenTap 9.17.3](https://forum.opentap.io/t/unable-to-install-developers-system-ce-package-with-opentap-9-17-3/635)

<div class="topic-metadata">

**Author:** [@michael\_hall](https://forum.opentap.io/u/michael_hall)\
**Replies:** 10\
**Last updated:** [March 28, 2022, 3:21pm UTC](https://forum.opentap.io/t/unable-to-install-developers-system-ce-package-with-opentap-9-17-3/635 "2022-03-28T15:21:15Z")

</div>

Installed OpenTAP 9.17.3 (with the “Download for Windows” link). I then attempted to install “Developer’s System CE” as per the Windows installation instructions. The package install aborted with an unfound assembly r…

---

## [Resource properties in test steps spontaneously deselect](https://forum.opentap.io/t/resource-properties-in-test-steps-spontaneously-deselect/93)

<div class="topic-metadata">

**Author:** [@david-wsd](https://forum.opentap.io/u/david-wsd)\
**Replies:** 5\
**Last updated:** [August 14, 2021, 4:33pm UTC](https://forum.opentap.io/t/resource-properties-in-test-steps-spontaneously-deselect/93 "2021-08-14T16:33:26Z")

</div>

Has anyone else experienced this: a resource property of a test step spontaneously goes blank? The selected value becomes unselected. It happens sporadically across all benches in my lab, but I don’t know how to consist…

---

## [We think, EnabledIf attribute have UI refresh issue](https://forum.opentap.io/t/we-think-enabledif-attribute-have-ui-refresh-issue/230)

<div class="topic-metadata">

**Author:** [@justin\_c\_i](https://forum.opentap.io/u/justin_c_i)\
**Replies:** 24\
**Last updated:** [July 29, 2021, 7:46pm UTC](https://forum.opentap.io/t/we-think-enabledif-attribute-have-ui-refresh-issue/230 "2021-07-29T19:46:50Z")

</div>

Hi Team, We think EnabledIf attribute have an UI refresh issue, if the value is set also , it is not reflected in the UI in some cases. Let me explain, I have a combo box, which is of KindOfLimits (ENUM) type publi…

---

## [TAP\_PATH Environmental variable is not getting updated](https://forum.opentap.io/t/tap-path-environmental-variable-is-not-getting-updated/168)

<div class="topic-metadata">

**Author:** [@justin\_c\_i](https://forum.opentap.io/u/justin_c_i)\
**Replies:** 7\
**Last updated:** [December 19, 2020, 12:46am UTC](https://forum.opentap.io/t/tap-path-environmental-variable-is-not-getting-updated/168 "2020-12-19T00:46:22Z")

</div>

Hi Team, Steps to reproduce this bug. Install TestAutomation.9.11.1+53284f62 32 Bit Check the TAP\_PATH environmental variable, it will be C:\\Program Files (x86)\\Keysight\\Test Automation Unistall TestAutomation Insta…

---

## [ICustomPackageAction With ActionStage(Install)](https://forum.opentap.io/t/icustompackageaction-with-actionstage-install/137)

<div class="topic-metadata">

**Author:** [@justin\_c\_i](https://forum.opentap.io/u/justin_c_i)\
**Replies:** 6\
**Last updated:** [November 27, 2020, 1:02am UTC](https://forum.opentap.io/t/icustompackageaction-with-actionstage-install/137 "2020-11-27T01:02:51Z")

</div>

Hi Team, We created a plugin having a class that implements ICustomPackageAction, In the Execute method, we write a Log file and throws exception. (Original logic will be implemented later) In another package , we ma…

---

## [PackageManager not starting any more](https://forum.opentap.io/t/packagemanager-not-starting-any-more/104)

<div class="topic-metadata">

**Author:** [@LXuser](https://forum.opentap.io/u/LXuser)\
**Replies:** 7\
**Last updated:** [November 6, 2020, 7:05pm UTC](https://forum.opentap.io/t/packagemanager-not-starting-any-more/104 "2020-11-06T19:05:38Z")

</div>

After updating yesterday ~5 plugins to the current version i wanted to start today again and check for updates. But Tools -\> Packagemanger does not open the packagemanager. Also doubleclick on PackageManager.exe does no…

---

## [Exception while saving file](https://forum.opentap.io/t/exception-while-saving-file/85)

<div class="topic-metadata">

**Author:** [@LXuser](https://forum.opentap.io/u/LXuser)\
**Replies:** 1\
**Last updated:** [October 26, 2020, 1:16am UTC](https://forum.opentap.io/t/exception-while-saving-file/85 "2020-10-26T01:16:57Z")

</div>

While playing around with file saving i caught this excpion: I wonder where the \*\*\\?\*\*C:… is coming from? Here the full log of this save part: sessionlog.txt (12.8 KB) It would be nice to see this save problem als…

---

## [Different error messages in tooltip for same problem (negative value)](https://forum.opentap.io/t/different-error-messages-in-tooltip-for-same-problem-negative-value/80)

<div class="topic-metadata">

**Author:** [@LXuser](https://forum.opentap.io/u/LXuser)\
**Replies:** 1\
**Last updated:** [October 23, 2020, 8:10pm UTC](https://forum.opentap.io/t/different-error-messages-in-tooltip-for-same-problem-negative-value/80 "2020-10-23T20:10:14Z")

</div>

When inserting a negative value to Lock Hold Off the tool tip is: When inserting negative value at Lock Retries the error is: At other parameters like here is no error shown when inserting a negative value. Also h…

---

## [Add button in Profile Settings not visible if name too long](https://forum.opentap.io/t/add-button-in-profile-settings-not-visible-if-name-too-long/77)

<div class="topic-metadata">

**Author:** [@LXuser](https://forum.opentap.io/u/LXuser)\
**Replies:** 3\
**Last updated:** [October 23, 2020, 3:14pm UTC](https://forum.opentap.io/t/add-button-in-profile-settings-not-visible-if-name-too-long/77 "2020-10-23T15:14:32Z")

</div>

When creating a new profile name and the name gets too long then the Add/Cancel button disappears and cannot be clicked. Enhancement would be to show a scrollbar. Or limit the number of chars of the new profile name. b…

---

## [Unhandled GUI error if name of new profile too long](https://forum.opentap.io/t/unhandled-gui-error-if-name-of-new-profile-too-long/78)

<div class="topic-metadata">

**Author:** [@LXuser](https://forum.opentap.io/u/LXuser)\
**Replies:** 1\
**Last updated:** [October 23, 2020, 3:04pm UTC](https://forum.opentap.io/t/unhandled-gui-error-if-name-of-new-profile-too-long/78 "2020-10-23T15:04:25Z")

</div>

Adding a new profile at Bench Settting creates this unhandled error if name is too long: 14:41:06.486 Settings Saved PythonSettings to C:\\Program Files\\OpenTAP\\Settings\\Python.xml \[6.13 ms\] 14:41:06.493 Settings …
