# C++ class creation will break sync between XCODE and EDITOR (!)

**URL:** <https://forums.unrealengine.com/t/c-class-creation-will-break-sync-between-xcode-and-editor/2683889>\
**Category:** Feedback & Requests\
**Tags:** unreal-engine\
**Created:** [December 10, 2025, 8:32pm UTC](https://forums.unrealengine.com/t/c-class-creation-will-break-sync-between-xcode-and-editor/2683889 "2025-12-10T20:32:22Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![OrbitalZones](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/orbitalzones/32/1214470_2.png) [@OrbitalZones](https://forums.unrealengine.com/u/OrbitalZones)\
**Post date:** [December 11, 2025, 11:41am UTC](https://forums.unrealengine.com/t/c-class-creation-will-break-sync-between-xcode-and-editor/2683889/2 "2025-12-11T11:41:56Z")

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Could you post the exact log message of that syntax error? I don’t know if that still exists in UE 5.7, but you could check if [this](https://forums.unrealengine.com/t/conflict-running-unreal-engine-on-mac-os/2657924) would solve your issues.

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