XP gain issue

Hello there! Yoday I've just installed the game after the long time it was uninstalled and faced a strange problem. Every match the game gives me exactly the same amount of XP and every match the game ranks me up from 11 to 12, even though I already have 12 level. Playing on European and Russian official servers. Tried to redownload the game, but this didn't help.

happens sometimes.
you need to finish at least some games, like 1-2 or something
anyway, if it's related to exp gain issues players encountered recently, this should be fixed as well