Message window does not close until 30 sekuner after the message is sent ?

Message window does not close until 30 sekuner after the message is sent ?

Hi,
 
I have this problem that when you want to reply to, or forward a message , it will  take 30 seconds before the window closes?

To fix this problem, I tried to upgrade from 8.2.0.0 to 8.2.0.2, with the result that the update failed.




 
After a backup restore back to 8.2.0.0 I manage to upgrade to 8.2.0.2 , but the issue where it takes th e window  30 seconds to close after the message is sent, is still there, and it's an annoying issue for our technicians.
 
Is there at fix ?

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