Yes, I too have suffered this strange behaviour: I have no idea of the cause, nor the detailed technical solution, but what worked for me, to date, is to re-install AC11 with a direct hotfix to version 1114 (ie bypassing intermediate hotfixes).
Might work for you........good luck
AC26 Intel & Apple Silicon (preview). Twinmotion.
M1 Max MacBook Pro, MacOS12