out of this folder and place them temporarily on your desktop.
Complex dropdown combinations confuse the properties hierarchy. Simplify structure using time-remapping workflows. System memory reads outdated layout definitions. Purge memory or clear user preference configurations. 💡 Best Practices to Avoid Property Conflicts asked to create unknown property of type - Adobe Community
Are you encountering the frustrating "Asked to create unknown property of type" error in Adobe After Effects? This error can occur when working with properties, effects, or scripts, and can be a major roadblock to your creative workflow. In this article, we'll explore the causes of this error and provide step-by-step solutions to help you fix it.
A buggy script in your "ScriptUI Panels" folder can cause this on startup. out of this folder and place them temporarily
// This can trigger the error if x is undefined: x = thisComp.layer("Null").effect("Slider")("Slider"); x.toFixed("fix"); // Incorrect usage
This table provides a quick reference, but for a complete understanding and step-by-step solutions, continue reading the full article.
If the project file itself is corrupted or stuck in a loop, importing it as a piece of footage into a fresh project can bypass the launch error. System memory reads outdated layout definitions
: If Safe Mode resolves the error, navigate to your startup script folders to find the culprit:
If After Effects throws this warning globally on blank compositions, the issue stems from an active third-party background script. Close Adobe After Effects completely. Navigate to your system's script directory:
Relaunch After Effects. If the warning disappears, reintroduce your scripts one by one to isolate the malicious or outdated utility. 3. Import the Damaged Project into a Clean Slate This error can occur when working with properties,
If AE opens correctly, add your scripts back one by one until the error reappears to find the "troublemaker". 2. Refresh Extensions (For Motion v4 & Similar)
General corruption can lead to "unknown BIB" or property errors.
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.
A surprising number of "fix" errors trace back to corrupted fonts or bad JavaScript expressions.