The font metadata was corrupted during download, email transmission, or file conversion. Common Symptoms of Cidfont-f1 Issues
What (Windows, Mac) and software are you using? What language or script is the text supposed to display? Cidfont-f1 Font
Note: There is no true italic version. Instead, the font uses "oblique" (mechanically slanted) versions, which preserve the geometric integrity of the letterforms. The font metadata was corrupted during download, email
Even a great font has quirks. Here is how to fix them: Note: There is no true italic version
If you are unable to view a document due to this missing font, try these common fixes suggested by Adobe Community and other experts: CIDFont+F1 issue - Adobe Community
Here is a comprehensive guide to understanding what Cidfont-f1 is, why it triggers system errors, and how to resolve it. What is Cidfont-f1?