Cannot Create Unknown Type activity Read Cell URGENT

[Palaniyappan (Forum Leader)]

Buddy @AinMM

To get past this, go to package manager and install package
UiPath.Framework.Activities
UiPath.Core.Activities
Close Studio, Open Studio and run again buddy, in the new process

this can give you more view on it

Error EXCELAPPLICATIONSCOPE

[image] Uipath Version: 2016.6344 Someone knows why the error appears: CANNOT CREATE UNKNOWN TYPE {} EXCELAPPLICATIONSCOPE Session 8 - exercise 2 - excel sum A has thrown an exception Message: Cannot create unknown type ‘{http://schemas.uipath.com/workflow/activities}ExcelApplicationScope’. Source: System.Xaml Exception Type: XamlObjectWriterException System.Xaml.XamlObjectWriterException: Cannot create unknown type ‘{http://schemas.uipath.com/workflow/activities}ExcelApplicationScope’. …

the reason is the read cell activity s getting failed in your process, see the secondline in the error screenshot buddy(the left end in second line)

Cheers