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

Try moving scripts out of this folder one by one to identify the "troublemaker". Change the Expression Engine:

You applied a Mocha Pro plugin (or used the built-in Mocha tracking workflow) and the data embedded in the layer has become corrupt. AE tries to read the tracking data property but fails to identify what type of data it is. Try moving scripts out of this folder one