Transit Addon Mod Error

A Mod caused an error [System.Exception]

Details:
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Reflection.ReflectionTypeLoadException: The classes in the module cannot be loaded.
  at (wrapper managed-to-native) System.Reflection.Assembly:GetTypes (bool)
  at System.Reflection.Assembly.GetTypes () [0x00000] in <filename unknown>:0
  at Transit.Addon.Mod+<>c.<get_Modules>b__14_0 (System.Reflection.Assembly a) [0x00000] in <filename unknown>:0
  at System.Linq.Enumerable+<CreateSelectManyIterator>c__Iterator12`2[System.Reflection.Assembly,System.Type].MoveNext () [0x00000] in <filename unknown>:0
  at System.Linq.Enumerable+<CreateWhereIterator>c__Iterator1D`1[System.Type].MoveNext () [0x00000] in <filename unknown>:0
  at System.Linq.Enumerable+<CreateWhereIterator>c__Iterator1D`1[System.Type].MoveNext () [0x00000] in <filename unknown>:0
  at System.Linq.Enumerable+<CreateWhereIterator>c__Iterator1D`1[System.Type].MoveNext () [0x00000] in <filename unknown>:0
  at System.Linq.Enumerable+<CreateSelectIterator>c__Iterator10`2[System.Type,Transit.Framework.Modularity.IModule].MoveNext () [0x00000] in <filename unknown>:0
  at System.Collections.Generic.List`1[Transit.Framework.Modularity.IModule].AddEnumerable (IEnumerable`1 enumerable) [0x00000] in <filename unknown>:0
  at System.Collections.Generic.List`1[Transit.Framework.Modularity.IModule]..ctor (IEnumerable`1 collection) [0x00000] in <filename unknown>:0
  at System.Linq.Enumerable.ToArray[IModule] (IEnumerable`1 source) [0x00000] in <filename unknown>:0
  at System.Linq.QuickSort`1[Transit.Framework.Modularity.IModule]..ctor (IEnumerable`1 source, System.Linq.SortContext`1 context) [0x00000] in <filename unknown>:0
  at System.Linq.QuickSort`1+<Sort>c__Iterator21[Transit.Framework.Modularity.IModule].MoveNext () [0x00000] in <filename unknown>:0
  at System.Collections.Generic.List`1[Transit.Framework.Modularity.IModule].AddEnumerable (IEnumerable`1 enumerable) [0x00000] in <filename unknown>:0
  at System.Collections.Generic.List`1[Transit.Framework.Modularity.IModule]..ctor (IEnumerable`1 collection) [0x00000] in <filename unknown>:0
  at System.Linq.Enumerable.ToArray[IModule] (IEnumerable`1 source) [0x00000] in <filename unknown>:0
  at Transit.Addon.Mod.get_Modules () [0x00000] in <filename unknown>:0
  at Transit.Addon.Mod.OnEnabled () [0x00000] in <filename unknown>:0
  at (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke (object,object[],System.Exception
System.Exception: A Mod caused an error