Serverside error: bad argument #2 to 'numpad.OnDown'

[wrefgtzweve]

bad argument #2 to 'numpad.OnDown' (number expected, got nil)
   0.  ErrorNoHaltWithStack - [C]:-1
    1.  OnDown - lua/includes/modules/numpad.lua:176
     2.  unkown - gamemodes/sandbox/entities/weapons/gmod_tool/stools/camera.lua:69
      3.  pcall - [C]:-1
       4.  CreateEntityFromTable - addons/advdupe2/lua/advdupe2/sv_clipboard.lua:1001
        5.  unkown - addons/advdupe2/lua/advdupe2/sv_clipboard.lua:1261
         6.  pcall - [C]:-1
          7.  fn - addons/advdupe2/lua/advdupe2/sv_clipboard.lua:1463
           8.  unkown - addons/ulib/lua/ulib/shared/hook.lua:109

[thegrb93]

Looks like a garrysmod-issue. They have an if key then block but the numpad.OnDown is outside of it. Best to report it on garrysmod-issues