[Mastery rankup test too bright game too bright]

Started playing the game again 1 year later becausei saw it was better, but now got a new problem the game is to bright i cant play on lua and the void cant see nothing and to start with the mastery rankup test mr10 i cant see the tiles 1 tile dissapears and the 2 tiles next to it are so bright that i cant even see that it dessapeared so i jump in to it 2 days in row 6 times same happens . I would like to know how to fix this and can this be fixed? And is anyone else having the same problem as me?