U4.27.2 Crashing on Launch - Assertion failed: “Missing required implementation."

Development Platform & Builds
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Hey there, I’m recently struggling opening a project of mine I left about a week ago. It’s just loading and crashing to a message of:

“Assertion failed: 0 && “Missing required implementation.” [File:D:\Build++UE4\Sync\Engine\Source\Runtime\Engine\Classes\Interfaces/Interface_PostProcessVolume.h] [Line: 31]”

I’m just an animator making an animated series of sequences in UE not sure what could have caused this all of a sudden. Been working in the project for about three months so desperately need to find a way to access my work still.

Happy to share logs.

Thanks!

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In case ppl are looking for a fix. This was solved by duplicating the project files into a fresh UE project.