Multi-select method annotation does not work

Throws an exception in the Invoke method. Result from TestPlanReference:

2020-03-11 08:46:44.470268 ; Action         ; Error       ; Error calling method LoadTestPlan
2020-03-11 08:46:44.472316 ; Action         ; Debug       ; Exception: Cannot bind to the target method because its signature or security transparency is not compatible with that of the delegate type.
2020-03-11 08:46:44.496247 ; Action         ; Debug       ;     at System.Delegate.CreateDelegate(Type type, Object firstArgument, MethodInfo method, Boolean throwOnBindFailure)
2020-03-11 08:46:44.496247 ; Action         ; Debug       ;     at OpenTap.MemberData.GetValue(Object owner)
2020-03-11 08:46:44.496247 ; Action         ; Debug       ;     at OpenTap.DefaultDataAnnotator.MethodAnnotation.Invoke()
2020-03-11 08:46:44.496247 ; Action         ; Debug       ;     at Keysight.OpenTap.Wpf.MethodControlProvider.<>c__DisplayClass0_0.<CreateControl>b__0(Object s, RoutedEventArgs e)