To be fair, this is actually a gmod issue where your sprint key does not work, sometimes happens when you can't open console also. Sometimes your autoexec file doesn't even load, and sometimes you cannot crouch. It is a glitch and it happens to me occasionally.
Happens to others too:

To be fair, this is actually a gmod issue where your sprint key does not work, sometimes happens when you can't open console also. Sometimes your autoexec file doesn't even load, and sometimes you cannot crouch. It is a glitch and it happens to me occasionally. Happens to others too: https://gyazo.com/e2f3445c9bd117bc09f12fb94b6feeb2 :plussp: