Cidfont F1 F2 F3 F4 F5 F6 Full !free! -

: Subset CIDFont lacked the new characters you typed. Solution : Never edit a subset PDF directly. First, perform the full embedding process above, then edit.

This specific string usually appears when a PDF viewer (like Adobe Acrobat or Chrome) cannot find the actual font data (e.g., Arial, Times New Roman) mapped to those placeholders. Source Issues: cidfont f1 f2 f3 f4 f5 f6 full

Are you trying to the file or just read it? I can give you more specific steps if I know which software (like Adobe Acrobat, Illustrator, or a basic reader) you're using. CIDFont+F1 issue - Adobe Community : Subset CIDFont lacked the new characters you typed