[ 63.150] MainThread : Error: lua/Utility.lua:1738: assertion failed!
[Client] Script Error #1: lua/Utility.lua:1738: assertion failed!
    Call stack:
    #1: assert [C]:-1
    #2: TrimName lua/Utility.lua:1738
        nameString = nil
    #3: lua/ConsoleCommands_Client.lua:177
        nickname = nil