Pseudo unknown property of type

Question

I'm struggling with open my project file because of the after effect error. I get this error message when I try to open my project file.

After Effects error: asked to create unknown property of type

"adbe layer source alternate (1d16)"

screenshot:

I couldn't find an answer to my problem, so I decided to post about it.

At first, I thought it was because of my computer specs, but that doesn't appear to be the case; instead, it appears to be a problem with the scripts, as you may be aware, and I have no idea how to fix it.

I'm in desperate need of assistance.

Kyle Hamrick · Answer

Is this actually preventing you from opening your project, or are you able to just click past it?

This is likely related to a specific preset or third-party tool used in your project. I'm guessing you only see this error on the one specific project? If it is indeed preventing you from opening the project:

- Try creating a new, clean AE project, and importing this problem one into it. Any progress?

- If you're using a third-party tool as suggested above, try uninstalling that or deleting it from AE's Support Files folder. On Windows, this is located at C:\Program Files\Adobe\Adobe After Effects (version)\Support Files\(appropriate subfolder)

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