NullReferenceException: Object reference not set to an instance of an object
  at Oxide.Plugins.SuperCard+c__AnonStorey0.<>m__2 () [0x00029] in <85aba2e870d94d4d9b4a7dab10676d8e>:0 
  at InvokeHandlerBase`1[T].DoTick () [0x000be] in <537384ec930247c58605d1d2fda556c1>:0 
  at InvokeHandlerBase`1[T].LateUpdate () [0x0000c] in <537384ec930247c58605d1d2fda556c1>:0

Any idea on what is causing this?