Gmod 13 Error (help) (engine error could not load library client)

Ok i need help i first got this error when gmod 13 was released i start it up then it goes to the blue screen gets stuck on that screen with a loading tab on the bottom right i then quit gmod and see this error called engine error could not load library client does anyone have a solution to this also im using a mac and the version im using is 10.5.8 please reply asap

Make sure to read the rules, this isn’t the right forum.

MacOS version of GMod is broken, use a PC or wait for a fix.