# OpenIGTLinkIF module is not loaded, when I am debugging the IGT

**URL:** <https://discourse.slicer.org/t/openigtlinkif-module-is-not-loaded-when-i-am-debugging-the-igt/24781>\
**Category:** Development\
**Tags:** extensions-manager\
**Created:** [August 16, 2022, 9:38am UTC](https://discourse.slicer.org/t/openigtlinkif-module-is-not-loaded-when-i-am-debugging-the-igt/24781 "2022-08-16T09:38:23Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![SlicerIsGood](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/slicerisgood/32/16309_2.png) [@SlicerIsGood](https://discourse.slicer.org/u/SlicerIsGood)\
**Post date:** [August 16, 2022, 9:38am UTC](https://discourse.slicer.org/t/openigtlinkif-module-is-not-loaded-when-i-am-debugging-the-igt/24781/1 "2022-08-16T09:38:23Z")

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When I use my custom version, and I want to apply the extension OpenIGTLinkIF, whatever from extension store or install from zipped file downloaded from extension website with the correct version, the module always be no loaded. How can I load this modlue in my customized version ?