Thus, downloading a fake "F1Normal" file from a third-party site is risky (often malware) and ineffective. Instead, you need to this CIDFont reference.
How to Fix "CIDFont-F1Normal" Issues (Without Risky Downloads) cidfont f1normal font free download link
If you are trying to open or print a document with this error, try these workarounds: Re-export as PDF : Open the file in a basic viewer like macOS Preview or a web browser (Chrome/Edge) and select Print > Save as PDF to flatten the fonts. Font Substitution Thus, downloading a fake "F1Normal" file from a