Xcode 26.0.1 strange compile errors

After uprgading to new XCode version 26.0.1 my project can't be longer build. There are strange compiler errors without concrete error message. If I want to investigate the single errors they disappears on selection... I can send a recorded screen-video.

I invested over 2 weeks on trying to solve the problem without success. That's not the first time that the project couldnt be build after a xcode upgrade. Thats really annoying.

Did you try a clean build folder.

In my case, it cleared a lot of errors.

Xcode 26.0.1 strange compile errors
 
 
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