Gmod server refusing connections

I have no idea, but the recent update is causing my server to refuse all connections and gives me this 1 error message.

Failed to load Steam ServiceBOpenService

The command line im using is

I have no idea what could be causing it. Ive tried everywhere else and the IP is not the problem.

Sorry i cannot produce that much more information on this, im actually posting for a friend of mine who cant find the answer and i asked for all the information he could give me and thats whats above me.