# Slicer custom app crashing with --testing arg

**URL:** <https://discourse.slicer.org/t/slicer-custom-app-crashing-with-testing-arg/23209>\
**Category:** Development\
**Created:** [April 30, 2022, 11:25pm UTC](https://discourse.slicer.org/t/slicer-custom-app-crashing-with-testing-arg/23209 "2022-04-30T23:25:09Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [May 12, 2022, 2:27am UTC](https://discourse.slicer.org/t/slicer-custom-app-crashing-with-testing-arg/23209/8 "2022-05-12T02:27:54Z")

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A post was merged into an existing topic: [Convert an extension into standalone application](https://discourse.slicer.org/t/convert-an-extension-into-standalone-application/23371/4)

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_[View the full topic](https://discourse.slicer.org/t/slicer-custom-app-crashing-with-testing-arg/23209)._