Problem with russian characters

Problem with russian characters

Hello!
I'm using ManageEngine ServiceDeskPlus  9.0. 9006 with Postgresql .
I have two problems with it:
1. Search requesters by name (Admin - Users - Requesters) don't work when i use russian characters. Example: "Иванов" - don't work, "Ivanov" - work.
2. Only english alphabet  (Admin - Users - Requesters) in requesters filter. English names starts with A,B,C,D etc, russian names starts with А,Б,В,Г etc. I can't filter russian names with english alphabet, i need russian alphabet.

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