pdftocairo -pdf causes font errors that did not exist
The provided sample is a 1 page pdf without any errors in Adobe Acrobat. input.pdf
After processing on Windows with Poppler version 23.11.0
pdftocairo.exe -pdf "c:\temp\input.pdf" "c:\temp\output.pdf"
and checking the file in Adobe Acrobat, the following error message is introduced
For your information and Best Regards