If the error happens when you open a specific project or click a specific layer, you need to identify which effect is causing the crash.
Alex had been working on a project for a major client for weeks, and the deadline was looming. The project involved creating a complex animation with multiple 3D elements, simulations, and dynamic graphics. Alex had been using Adobe After Effects to create the animation, and everything had been going smoothly until the day before the deadline. after effects error asked to create unknown property of type
"ADBE Mask" , "ADBE Effect" , "ADBE Paint" , etc. Wrong: passing a custom string that AE doesn't recognize. If the error happens when you open a