A PDF not is valid.
Version
XFRX 24.0
Symptoms
PDF validator show result:
Graphics operator m is not allowed in text object.
Graphics operator l is not allowed in text object.
An end text operator is missing.
Adobe Reader shows messagebox with text:
czech: "Na této stránce existuje chyba. Acrobat nemusí stránku zobrazit správně. Kontaktujte prosím osobu, která dokument PDF vytvořila, aby problém odstranila."
english: "An error exists on this page, Acrobat may not display the page correctly. Please contact the person who created PDF document to correct the problem."
Cause
A report contains underline text or strikeout text.
Workaround
None.