They were designed specifically for languages with thousands of glyphs, such as Chinese, Japanese, and Korean (CJK).
Run the fixup to force Acrobat to embed standard fallbacks for the corrupted CID font. Method 3: Change Export Settings in InDesign/Illustrator If the error occurs after exporting a design layout: Open your source file in Adobe InDesign or Illustrator. Go to and select Adobe PDF (Print) . In the Export window, navigate to the Advanced tab. cid font f1 family
Use tools like:
