After Effects Error Asked To Create Unknown Property Of Type Fix Better ★ Best & Plus

This table provides a quick reference, but for a complete understanding and step-by-step solutions, continue reading the full article.

Look for a .jsx or .aefx file that needs to be copied into the ScriptUI Panels folder mentioned above. 5. Clear Cache and Reset Preferences

This happens when you open a downloaded project template containing a specialized effect—such as Maxon Red Giant suites—that is absent from your local drive. This table provides a quick reference, but for

If you are writing custom tools and encountering this error (e.g., asked to create unknown property of type "ADBE Vector Graphic" ), your script is requesting an invalid internal property string.

Older templates often reference internal data types or script properties that Adobe removed or changed in modern JavaScript engine updates. Clear Cache and Reset Preferences This happens when

This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. asked to create unknown property of type - Adobe Community

The Adobe Support Community and forums are great resources. Someone else might have encountered the same issue and found a solution. This public link is valid for 7 days

: If you use tools like Motion 4 or Duik , right-click their panel title to "Close Panel," then reopen them via Window > Extensions .

: Older project templates may rely on legacy JavaScript syntax that native modern layout rules do not recognize.

Post your exact workflow and the contents of the AE Console (Window > Console) to the Adobe Community forums or r/AfterEffects. Include which plugins and fonts your project uses. Avoid sharing the AEP file publicly unless stripped of client data.