Why-so-many-error-messages-after-updating-to-build-43

I have not used WL for some months. Just installed build 43. Now any strategy I try, even the sample ones, I get two windows of errors. This is the clipboard of the second window:



System.NullReferenceException: Object reference not set to an instance of an object.
at (Object , Stream , ImageFormat )
at UtilsCollection.DestroyMultipartClass(Object , Stream , ImageFormat , UtilsCollection )
at WealthLab.WPF.ImageExtensions.ToBitmapSource(Image image)
at WealthLab.WPF.ucBrokerAccountDropDown.RevertMultipartInfo(Object )
at WealthLab.WPF.ucBrokerAccountDropDown.UpdateAdvisableRepository()
at WealthLab.WPF.ucBrokerAccountDropDown.set_SelectedBroker(BrokerBase value)
at WealthLab.WPF.ucBrokerAccountDropDown.PatchAdvisableRepository()
at WealthLab.WPF.ucBrokerAccountDropDown.<>c__DisplayClass20_0.ConnectAdvisableAdvisor()
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)