[Hawk552]

Originally Posted by kissdjmax L4D2 Server error L 01/10/2014 - 22:05:20: [SM] Unable to load extension "steamtools.ext": Could not find interface: ServerGameDLL007 L 01/10/2014 - 22:05:21: [SM] Unable to load plugin "cross-server-chat.smx": Required extension "SteamTools" file("steamtools.ext") not running L 01/10/2014 - 22:05:21: [SM] Unable to load plugin "steamtools.smx": Required extension "SteamTools" file("steamtools.ext") not running

Thanks for your error report. I linked to an old version of SteamTools by accident, so try the new one I've updated on the main page:
https://forums.alliedmods.net/showthread.php?t=170630