Nagios Support Forum

Okay, I actually managed to figure out which host groups trigger this problem and to notice a common element between them. All of the affected groups contained one or more Polish language specific characters. Removing these characters solved the issue, reports are now downloading properly.

Thank you for your assistance up to this point. Feel free to lock the thread.

Thanks for your update! Can you post which characters were causing this so that I can try to replicate it and get it off to the dev team?