ANBU wildaxeman said:

01 march, 15.20. plarium did something (probably update) and after that i have "unread message" in grand marshals. if i open, all is read. refreshed, cleared cash, still there

Greetings m'lord!

Thank you for your report there!
Could you please inform the Support Team? They can most likely do something about it! 

Hi! We aware of this issue, but it's tricky and it's hard to get rid of it. But we're doing our best to fix it as soon as possible.