Android Studio inline compiler showing red errors, but compilation with gradle works fine

Question

I\'ve set up my project in Android Studio to use the Square Wire library, as per this question.

Build -> Compile Project works fine.

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Answer 1

I was still having the same problem with Android Studio v3.2.1 constantly, and sorted out the problem just removing these two sub-folders of the .idea folder (no need to delete the whole .idea folder) while a gradle sync didn't work:

• ./idea/caches
• ./idea/libraries