Groups and names in Bulgarian

Hello,
When I try to name drivers' groups or names in Bulgarian, the following error occurs:

Incorrect string value: '\ xD1 \ x82 \ xD1 \ x8A \ xD1 \ x80 ...' for column 'name' at row 1 - SQLException (... <QueryBuilder: 480 <DataManager: 464 <BaseObjectManager: 99 .)

Can you help me step by step with what I have to do.
Thanks!

That's an issue with database encoding. Search forum. It has been discussed several times before.

I have seen the topics, but nowhere is it described exactly how it is done. I ask for such an instruction.

https://scratchpad.fandom.com/wiki/Character_Encoding_Recommendation_for_Languages

I think it's something to configure in your traccar.xml file, with a "characterEncoding=???" parameter
(Show us your traccar.xml)

Thank you Kenichi , I changed in the file traccar.xml "characterEncoding=UTF-8" to "characterEncoding=cp1251". Everything works without any problem.