If You can't load bot, it doesn't mean it's a bot bug. It means You need to know how to load it - which means You need to ask about it - and for this we have the sub-forum called "Common-Questions". I'm moving the topic where it belongs, then.
Did You try to follow
this topic?
What kind is Your server ? Dedicated (You aren't playing on that PC, but You need to join it as a client to it) or listenserver (You are creating the game and then You are playing on that PC)? Operating system? How does look Your addons\metamod\plugins.ini file? How did You install this bot? Need more detailes to help You.