MY ACC HACKED

Hello PUBGM support team my account was stolen this morning where I wan always connected to gmail password protected e-mail my location is not Indonesia I was login from Saudi Arabia Middle East I have charged UC for this Acc I have purchased orders I have played with my friends I can show you this Why is it possible to change password how the mobile no change with out any confirmation cod on my email the thief make false report on the game with false information not make the repport for the right information like UC I charge and friends I played with I send you the thief telephone number changed with out any confirmation on my email I hope you take care of me I need my Acc back I have buy a lot of UC on this ID : 51254268146