# UE4 4.25 -\> 4.26 Upgrade: Compile Error C3668

**URL:** <https://qa.fmod.com/t/ue4-4-25-4-26-upgrade-compile-error-c3668/16527>\
**Category:** Unreal Engine\
**Tags:** ue4\
**Created:** [December 6, 2020, 7:23pm UTC](https://qa.fmod.com/t/ue4-4-25-4-26-upgrade-compile-error-c3668/16527 "2020-12-06T19:23:10Z")\
**Posts on this page:** 1\
**Showing post:** 27

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**Author:** ![Derek\_Burnheim](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/derek_burnheim/32/261_2.png) [@Derek\_Burnheim](https://qa.fmod.com/u/Derek_Burnheim)\
**Post date:** [February 16, 2021, 2:20am UTC](https://qa.fmod.com/t/ue4-4-25-4-26-upgrade-compile-error-c3668/16527/27 "2021-02-16T02:20:33Z")

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Thanks for reporting this, I see there’s a new topic for this particular issue so let’s keep any discussion of it in that topic ([[Bug Report] Fmod sequencer integration not working in UE4.26.1](https://qa.fmod.com/t/bug-report-fmod-sequencer-integration-not-working-in-ue4-26-1/16761))

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_[View the full topic](https://qa.fmod.com/t/ue4-4-25-4-26-upgrade-compile-error-c3668/16527)._