Adobe Illustrator Operation Cannot Complete Because Of An Unknown Error Parm -

Diagnostic approach (systematic, stepwise)

: If the error is file-specific, copy all elements and paste them into a brand-new Illustrator file to bypass hidden metadata errors. The "EPS" Trick : If you cannot save as an file, try saving as an Illustrator EPS Diagnostic approach (systematic, stepwise) : If the error

Font-specific diagnostics and remedies