Message: Cannot set unknown member

I am getting this error message, how to solve?

18.4.2+Branch.master.Sha.9888b477be8d3ec8a832306fc59c34ba6edad108

Message: Cannot set unknown member ‘{http://schemas.microsoft.com/netfx/2009/xaml/activities/presentation}VirtualizedContainerService.HintSize’.

Exception Type: System.Exception

An ExceptionDetail, likely created by IncludeExceptionDetailInFaults=true, whose value is:
System.Exception: Cannot set unknown member ‘{http://schemas.microsoft.com/netfx/2009/xaml/activities/presentation}VirtualizedContainerService.HintSize’.

Hi @Margaux

When does this error happen? Could you provide a sample workflow?
You could try downgrading your activity packs and making sure that you have access to all dependencies.

In case this is a process that runs correctly from Studio but not from Orchestrator, please copy the missing activity packages from your local folder to the one used by Orchestrator (please refer to the documentation for the paths).

Hi @loginerror,

I fixed it by rebuilding the faulty component. Do not know what caused the error, just hoping it wont come up again.

Thanks

Hi @Margaux,
By ‘rebuilding faulty component’, what exactly did you mean?

Thanks,
Russel

Fixed this one for me as well. Just to be specific, I just had to recreate Main.xaml.

2 Likes

Yes just rebuild it by copying and pasting.