Project Save Error: An unknown error occurred while saving the project.

Hi.

I originally posted this as a reply to a similar thread, but thought I'd post a new thread just in case it doesn't get spotted,

Every time I try and save a project in Premier I get this error:

"An unknown error occurred while saving the project.

Select 'Save As' from the File menu to save the project to a new location."

It's fine if I Save As (with a new file name). The problem is, I don't want to keep saving as a new file as I need to Dynamically Link the project into After Effects.

My spec:

Premiere Pro: v14.2.0

After Effects: v17.1.0 (including this just in case, as the Premiere project contains some Dynamically Linked AE compositions)

Windows 10 Pro (64bit) OS Build 18362.836

CPU: Intel i7-8700K @3.70GHz

RAM: 64 GB

GPU: GTX 1080 Ti + GTX 1080 (with latest drivers)

I've deleted the cache files, reset my preferences and workspace and it's still not fixed. I'm not in a position to roll back my GPU drivers as the project I'm on requires my current ones for 3D rendering.

Any help would be massively appreciated.

Jamie