A Mod caused an error [ModException]

Details:
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.GetExportedTypes () [0x00000] in <filename unknown>:0
  at ColossalFramework.Plugins.PluginManager+PluginInfo.GetInstances[IUserMod] () [0x00000] in <filename unknown>:0
  at OptionsMainPanel.AddUserMods () [0x00000] in <filename unknown>:0



A Mod caused an error [ModException]

Details:
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.GetExportedTypes () [0x00000] in <filename unknown>:0
  at ColossalFramework.Plugins.PluginManager+PluginInfo.GetInstances[IUserMod] () [0x00000] in <filename unknown>:0
  at EntryData.GenerateData () [0x00000] in <filename unknown>:0

A Mod caused an error [ModException]

Details:
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.GetExportedTypes () [0x00000] in <filename unknown>:0
  at ColossalFramework.Plugins.PluginManager+PluginInfo.GetInstances[IUserMod] () [0x00000] in <filename unknown>:0
  at EntryData.GenerateData () [0x00000] in <filename unknown>:0