roto brush keeps crashing the app, can't open project

hello, i have mac somona 14.3 and th newst after effects beta. i have a project with a few roto brush uses. each roto layer is in it's own composition, where the frame rate matches the original video. it was working fine until it crashed and now i can't even open the project. i keep getting an error massege about roto brush & refine edge generating an unexcepted execption. 

sometime it offers me to disable the roto brush effect, but when i do, i can't open the project because it says the roto brush effect can't be fount and i need to reinstall. 

Last log message was: <1362793> <Scripting> <5> Executing startup/shutdown script at: /Applications/Adobe After Effects (Beta)/Scripts/Shutdown/About the Shutdown folder.txt

thank you for you help