After Effects Error Asked To Create Unknown Property Of Type Fix -

When custom tools build shape layers or effect structures programmatically, using an outdated ADBE match name will trigger this exact error dialog. Step-by-Step Fixes for the After Effects Error 1. Update Legacy Expressions

Follow these proven steps to resolve the issue and safely restore access to your After Effects timeline. 1. Isolate and Clear the Problematic ScriptUI Panels When custom tools build shape layers or effect

If you use the extension, this error is a known "boot" failure. When custom tools build shape layers or effect

Go to (or press Ctrl + I on Windows, Cmd + I on Mac). Select your corrupted .aep project file and click Import . When custom tools build shape layers or effect