I love this mod but it's stopped working and it displays this error message but idk what to make out of it, please help!

A Mod caused an error [System.Exception]

Details:
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Xml.XmlException: Document element did not appear. Line 1, position 1.
at Mono.Xml2.XmlTextReader.Read () [0x00000] in <filename unknown>:0
at System.Xml.XmlTextReader.Read () [0x00000] in <filename unknown>:0
at System.Xml.XmlReader.MoveToContent () [0x00000] in <filename unknown>:0
at System.Xml.Serialization.XmlSerializationReaderInterpreter.ReadRoot () [0x00000] in <filename unknown>:0
at System.Xml.Serialization.XmlSerializer.Deserialize (System.Xml.Serialization.XmlSerializationReader reader) [0x00000] in <filename unknown>:0
--- End of inner exception stack trace ---
at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0
at System.Reflection.MethodBase.Invoke (System.Object obj, System.Object[] parameters) [0x00000] in <filename unknown>:0
at ColossalFramework.Plugins.PluginManager.AddPlugins (System.Collections.Generic.Dictionary`2 plugins) [0x00000] in <filename unknown>:0