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

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

To prevent this in the future, a "Property Resolver" feature could be proposed to Adobe: Follow these proven steps to resolve the issue

When you download a project template and are missing the plugins (like Red Giant, Video Copilot, etc.) that the project relies on, expressions will break and cause this error. If this error happens when you open a

If this error happens when you open a project, move the time indicator, or try to render, it is often caused by embedded Mocha data inside a layer. move the time indicator

The is a frustrating, workflow-halting warning that usually triggers when a project attempts to call an effect control, pseudo-effect, or script parameter that Adobe After Effects cannot identify. This issue often loops indefinitely, locking up your project timeline or causing the software to crash upon opening.