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

Ensure that any third-party plugins or effect presets you're using are compatible with your version of After Effects.

If this error appears immediately after running a script (like a motion graphics toolkit or a rigging tool): Ensure that any third-party plugins or effect presets

. This can resolve errors caused by older project files using outdated JavaScript syntax. Check for Missing Plugins: Ensure that any third-party plugins or effect presets