The operation cannot be completed because of an unknown error [PARM]
Not sure why this keeps happening...

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Rene Mueller commented
MAC Pro MAC OS 10.14.6 Illustrator 25.4.1
The error message in the subject comes when I undo an action. For example, I move an object and then I go to edit, undo move, and then the error message comes up. If I then press ok, I can undo the action.
The last 3 updates did not help. -
george boutilier commented
The operation cannot be completed because of an unknown error [PARM]
Absolutely random but constant. -
Ian commented
iMac OS Mojave 10.14.1
Adobe Illustraor CC 23.0.1Constantly getting this error message:
The operation cannot be completed because of an unknown error [PARM]Click 'OK' and get error message:
An error occurred while processing the appearance of an objectOccurs randomly when drawing shapes using pen or shape tool, with or without fills. Last occurrence was when using knife tool to intersect a shape.
If I click 'OK' error re-occurs immediately.
Happy to have any ideas?