Recived Unknown synced data key

[alezhshede]

im just trying to play around with your mods but when i join my server it says

is there anyway to fix this?

-alexander

[lvavila]

Yeah I get the same error. I tried downgrading but its a domino effect as timeless_and_classics-gun_mod relies on the newest Obfuscate. So I go without MyCrayfish :(