Hello, i have this error, and I'm not sure whats causing it:

ReflectionTypeLoadException getting types in assembly GiddyUpCore: System.Reflection.ReflectionTypeLoadException: Exception of type 'System.Reflection.ReflectionTypeLoadException' was thrown.
at (wrapper managed-to-native) System.Reflection.Assembly.GetTypes(System.Reflection.Assembly,bool)
at System.Reflection.Assembly.GetTypes () [0x00000] in <eae584ce26bc40229c1b1aa476bfa589>:0
at Verse.ModAssemblyHandler.AssemblyIsUsable (System.Reflection.Assembly asm) [0x00000] in <95de19971c5d40878d8742747904cdcd>:0

Loader exceptions:
=> System.TypeLoadException: Could not resolve type with token 01000080 (from typeref, class/assembly HarmonyLib.CodeInstruction, 0Harmony, Version=2.2.2.0, Culture=neutral, PublicKeyToken=null)
=> System.TypeLoadException: Could not resolve type with token 01000080 (from typeref, class/assembly HarmonyLib.CodeInstruction, 0Harmony, Version=2.2.2.0, Culture=neutral, PublicKeyToken=null)
=> System.TypeLoadException: Could not resolve type with token 01000080 (from typeref, class/assembly HarmonyLib.CodeInstruction, 0Harmony, Version=2.2.2.0, Culture=neutral, PublicKeyToken=null)
=> System.TypeLoadException: Could not resolve type with token 01000080 (from typeref, class/assembly HarmonyLib.CodeInstruction, 0Harmony, Version=2.2.2.0, Culture=neutral, PublicKeyToken=null)
=> System.TypeLoadException: Could not resolve type with token 01000080 (from typeref, class/assembly HarmonyLib.CodeInstruction, 0Harmony, Version=2.2.2.0, Culture=neutral, PublicKeyToken=null)
=> System.TypeLoadException: Could not resolve type with token 01000080 (from typeref, class/assembly HarmonyLib.CodeInstruction, 0Harmony, Version=2.2.2.0, Culture=neutral, PublicKeyToken=null)

UnityEngine.StackTraceUtility:ExtractStackTrace ()
Verse.Log:Error (string)
Verse.ModAssemblyHandler:AssemblyIsUsable (System.Reflection.Assembly)
Verse.ModAssemblyHandler:ReloadAll ()
Verse.ModContentPack:ReloadContent ()
Verse.LoadedModManager:LoadModContent ()
Verse.LoadedModManager:LoadAllActiveMods ()
Verse.PlayDataLoader:DoPlayLoad ()
Verse.PlayDataLoader:LoadAllPlayData (bool)
Verse.Root/<>c:<Start>b__6_1 ()
Verse.LongEventHandler:RunEventFromAnotherThread (System.Action)
Verse.LongEventHandler/<>c:<UpdateCurrentAsynchronousEvent>b__27_0 ()
System.Threading.ThreadHelper:ThreadStart_Context (object)
System.Threading.ExecutionContext:RunInternal (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool)
System.Threading.ExecutionContext:Run (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool)
System.Threading.ExecutionContext:Run (System.Threading.ExecutionContext,System.Threading.ContextCallback,object)
System.Threading.ThreadHelper:ThreadStart ()