lua error on only 1 server

i have tried everything and only this one server i get the lua error iwth not enough memory but every other server i join it works fine i have tried reinstallling addons gmod restarted my copmuter i think i have tried everything can anybody help i really wanna jion this server its 1 of the only ones i play on and i cant join

Try joining single-player before joining the server. Also, what OS are you using? How much RAM do you have?

4gb ram
OS X El capitan
and already tried joining single player