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

If the error popped up but the project is still responsive, do not hit Ctrl+S (Cmd+S). Saving in a corrupted state may permanently damage the AEP file.

If the project is under NDA or mission-critical, contact Adobe Enterprise Support. Provide them with the corrupted AEP and the exact error log from %AppData%\Adobe\After Effects\version\Logs\ (Windows) or ~/Library/Logs/Adobe/After Effects/ (Mac). If the error popped up but the project

If the error happens spontaneously or when opening a specific project, your preference file may be corrupt. If the error happens spontaneously or when opening

Sometimes cached frames or internal data structures cause property conflicts. Match the Data:

If this error occurs when pasting keyframes, ensure the source and destination properties are identical types.

  • Match the Data:
  • Workaround: If you need to transfer values, pick-whip the values in an expression instead of copy-pasting, or use the separate dimensions feature to match the data structure.

    • Corrupted preferences can cause a variety of issues.

    If the error popped up but the project is still responsive, do not hit Ctrl+S (Cmd+S). Saving in a corrupted state may permanently damage the AEP file.

    If the project is under NDA or mission-critical, contact Adobe Enterprise Support. Provide them with the corrupted AEP and the exact error log from %AppData%\Adobe\After Effects\version\Logs\ (Windows) or ~/Library/Logs/Adobe/After Effects/ (Mac).

    If the error happens spontaneously or when opening a specific project, your preference file may be corrupt.

    Sometimes cached frames or internal data structures cause property conflicts.

    If this error occurs when pasting keyframes, ensure the source and destination properties are identical types.

  • Match the Data:
  • Workaround: If you need to transfer values, pick-whip the values in an expression instead of copy-pasting, or use the separate dimensions feature to match the data structure.

    • Corrupted preferences can cause a variety of issues.