# Unable to install extension - "Incompatible with Slicer r30110"

**URL:** <https://discourse.slicer.org/t/unable-to-install-extension-incompatible-with-slicer-r30110/19158>\
**Category:** Development\
**Tags:** extensions-manager, bug, radiomics\
**Created:** [August 11, 2021, 6:14pm UTC](https://discourse.slicer.org/t/unable-to-install-extension-incompatible-with-slicer-r30110/19158 "2021-08-11T18:14:01Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![jcfr](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jcfr/32/17825_2.png) [@jcfr](https://discourse.slicer.org/u/jcfr)\
**Post date:** [August 11, 2021, 6:20pm UTC](https://discourse.slicer.org/t/unable-to-install-extension-incompatible-with-slicer-r30110/19158/2 "2021-08-11T18:20:28Z")

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Thanks for the report, it is a side effect of [Upcoming downtime for download.slicer.org and extension manager due to package server transition - #3 by jcfr](https://discourse.slicer.org/t/upcoming-downtime-for-download-slicer-org-and-extension-manager-due-to-package-server-transition/17444/3), issue has been identified earlier today and I am currently working on this.

For reference, this is now tracked in [Installed extensions are not loaded · Issue #5786 · Slicer/Slicer · GitHub](https://github.com/Slicer/Slicer/issues/5786)

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_[View the full topic](https://discourse.slicer.org/t/unable-to-install-extension-incompatible-with-slicer-r30110/19158)._