I can't play with my friends, like when they play with me the game disconnect from the server so we can't play together

[milkzaoo]

we cant play dude

[jannuzzi]

same bro

[Dss0]

Did you copy the gamefiles from your friend or did he copy them from you? in that case delete

t6r/player/dw

[sasko]

where is the thing i have to delete ?
thank