log4view crash when adding filter

I have an app that generates around 200 enties in an log4net xml file

If I add a filter it crash with the message dialog:

An unhandled exception occurred, and the application is terminating.
Error: 'Collection was modified; enumeration operation may not execute.'
For more information, see your Application log.

Faulting application name: Log4View.exe, version: 1.6.2.1674, time stamp: 0x5f631881
Faulting module name: KERNELBASE.dll, version: 10.0.19041.906, time stamp: 0x2f2f77bf
Exception code: 0xe0434352
Fault offset: 0x0000000000034b59
Faulting process id: 0x348c
Faulting application start time: 0x01d7383d2986cc40
Faulting application path: C:\Program Files (x86)\Log4View V2\Log4View.exe
Faulting module path: C:\WINDOWS\System32\KERNELBASE.dll
Report Id: e196602e-ecba-4de1-8b3b-a3ed94455b66
Faulting package full name:
Faulting package-relative application ID:

Application: Log4View.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.InvalidOperationException
   at System.ThrowHelper.ThrowInvalidOperationException(System.ExceptionResource)
   at System.Collections.Generic.List`1+Enumerator[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].MoveNextRare()
   at Prosa.Log4View.MessageView.MessageViewVm.HandleRegexFilters(System.Collections.Generic.IList`1<Prosa.Log4View.Filter.RegExFilter>)
   at Prosa.Log4View.MessageView.MessageViewVm.ApplyFilter()
   at Prism.Events.EventSubscription`1+<>c__DisplayClass11_0[[System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].<GetExecutionStrategy>b__0(System.Object[])
   at Prism.Events.EventBase.InternalPublish(System.Object[])
   at Prosa.Log4View.Filter.FilterListVm.RaiseFilterChanged(Prosa.Log4View.Interfaces.IViewFilter)
   at Prosa.Log4View.Filter.FilterListVm.AddFilter(Prosa.Log4View.Interfaces.IViewFilter, Boolean)
   at Prosa.Log4View.MessageView.MessageViewVm.ShowFilterEditor(Prosa.Log4View.Filter.MessageFilter)
   at Prosa.Log4View.MessageView.MessageViewVm.Filter()
   at DevExpress.Xpf.Bars.Native.CommandSourceHelper.Execute(System.Windows.Input.ICommand, System.Object, System.Windows.IInputElement)
   at DevExpress.Xpf.Bars.BarItem+<>c__DisplayClass390_0.<OnItemClick>b__0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(System.Delegate, System.Object, Int32)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(System.Object, System.Delegate, System.Object, Int32, System.Delegate)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(System.Object)
   at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
   at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
   at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object)
   at MS.Internal.CulturePreservingExecutionContext.Run(MS.Internal.CulturePreservingExecutionContext, System.Threading.ContextCallback, System.Object)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr, Int32, IntPtr, IntPtr, Boolean ByRef)
   at MS.Win32.HwndWrapper.WndProc(IntPtr, Int32, IntPtr, IntPtr, Boolean ByRef)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(System.Object)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(System.Delegate, System.Object, Int32)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(System.Object, System.Delegate, System.Object, Int32, System.Delegate)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(System.Windows.Threading.DispatcherPriority, System.TimeSpan, System.Delegate, System.Object, Int32)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr, Int32, IntPtr, IntPtr)
   at MS.Win32.UnsafeNativeMethods.DispatchMessage(System.Windows.Interop.MSG ByRef)
   at System.Windows.Threading.Dispatcher.PushFrameImpl(System.Windows.Threading.DispatcherFrame)
   at System.Windows.Application.RunDispatcher(System.Object)
   at System.Windows.Application.RunInternal(System.Windows.Window)
   at Prosa.Log4View.Core.App.Main()

Workaround: pause logger before adding filter