After Effects Error Asked To Create Unknown Property Of Type Fix !free! Jun 2026

To minimize the occurrence of this error in the future:

: A script running at startup might be the "troublemaker".

To help you find a more specific solution, could you tell me: To minimize the occurrence of this error in

For example:

Open a new, empty After Effects project. Go to File > Import > File and select your corrupted project. This often allows you to recover your compositions without triggering the property error. 5. Switch Expression Engines This often allows you to recover your compositions

Remove scripts one by one to identify which one causes the error.

If you’ve been working in Adobe After Effects long enough, you’ve probably seen a few head-scratching error codes. But the one that has been popping up more frequently lately—especially for users working with expressions, templates, or specific third-party scripts—is: If you’ve been working in Adobe After Effects

: Corrupt temporary files can sometimes lead to "unknown" property errors. Use Edit > Purge > All Memory & Disk Cache to clear the system.

: Missing or un-updated third-party plug-ins like Magic Bullet Looks or Video Copilot's Saber.