I'm seeing that too ... I suspect it may have something to do with the database being rather out of date, but not sure. Seems most prevalent on porting somewhere ...
This is copied from the error folder:
===[ 8/16/2011 5:42:04 PM - GoArrow v1.2.0.1 ]========================
System.InvalidOperationException: Collection was modified after the enumerator was instantiated.
at System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource)
at System.Collections.Generic.TreeSet`1.Enumerator.MoveNext()
at System.Collections.Generic.SortedDictionary`2.Enumerator.MoveNext()
at GoArrow.PluginCore.ReloadDungeonList() in PluginCore.MainView.cs:line 1381
at GoArrow.PluginCore.InitMainViewBeforeSettings() in PluginCore.MainView.cs:line 563
at GoArrow.PluginCore.Startup() in PluginCore.cs:line 145
===[ 8/16/2011 5:42:27 PM - GoArrow v1.2.0.1 ]========================
System.NullReferenceException: Object reference not set to an instance of an object.
at GoArrow.PluginCore.RecallTimeout_Tick(Object sender, EventArgs e) in PluginCore.cs:line 1560
===[ 8/16/2011 6:02:45 PM - GoArrow v1.2.0.1 ]========================
System.NullReferenceException: Object reference not set to an instance of an object.
at GoArrow.PluginCore.RecallTimeout_Tick(Object sender, EventArgs e) in PluginCore.cs:line 1560
===[ 8/16/2011 7:18:43 PM - GoArrow v1.2.0.1 ]========================
System.NullReferenceException: Object reference not set to an instance of an object.
at GoArrow.PluginCore.CharacterFilter_Death(Object sender, DeathEventArgs e) in PluginCore.cs:line 1163
===[ 8/16/2011 7:18:44 PM - GoArrow v1.2.0.1 ]========================
System.NullReferenceException: Object reference not set to an instance of an object.
at GoArrow.PluginCore.RecallTimeout_Tick(Object sender, EventArgs e) in PluginCore.cs:line 1560
The line 1560 message repeats several more times. This started after patch - have not seen this message before.
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