From sometime ago, I have faced the error message below.
I am not sure what the cause of the error.. please help me!!

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System.Exception: A Mod caused an error ---> System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> HarmonyLib.HarmonyException: Patching exception in method static System.Reflection.MethodBase CommuterDestination.CS1.Integrations.IPT2.IPT2StopNavigationPatch::TargetMethod() ---> System.Exception: Method static System.Reflection.MethodBase CommuterDestination.CS1.Integrations.IPT2.IPT2StopNavigationPatch::TargetMethod() returned an unexpected result: null
at HarmonyLib.PatchClassProcessor.RunMethod[HarmonyTargetMethod,MethodBase] (System.Reflection.MethodBase defaultIfNotExisting, System.Reflection.MethodBase defaultIfFailing, System.Func`2 failOnResult, System.Object[] parameters) [0x00000] in <filename unknown>:0
--- End of inner exception stack trace ---
at HarmonyLib.PatchClassProcessor.ReportException (System.Exception exception, System.Reflection.MethodBase original) [0x00000] in <filename unknown>:0
at HarmonyLib.PatchClassProcessor.RunMethod[HarmonyTargetMethod,MethodBase] (System.Reflection.MethodBase defaultIfNotExisting, System.Reflection.MethodBase defaultIfFailing, System.Func`2 failOnResult, System.Object[] parameters) [0x00000] in <filename unknown>:0
at HarmonyLib.PatchClassProcessor.GetBulkMethods () [0x00000] in <filename unknown>:0
at HarmonyLib.PatchClassProcessor.Patch () [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
--- End of inner exception stack trace ---