Bradley gets stuck on nothing

There is an airfield event going on but bradley is not hitting anything. It's just stuck. This is the error I'm getting spammed with. 

ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index
  at System.Collections.Generic.List`1[T].get_Item (System.Int32 index) [0x00009] in <8ce0bd04a7a04b4b9395538239d3fdd8>:0 37,189 ents, 45 slprs                                                                          29kb/s in, 148kb/s out
  at Oxide.Plugins.Bradley+BradlyAI.IsStuck () [0x000dc] in C:\Rust\SafeHouse\carbon\plugins\Bradley.cs:1134
  at Oxide.Plugins.Bradley+BradlyAI.Update () [0x0011e] in C:\Rust\SafeHouse\carbon\plugins\Bradley.cs:1698