Getting error while creating new project after studio version upgrade from 2018.1.2 to 2018.4.6

Help
, ,
1

I am getting below error while new project creation after version upgrade
Could not load type ‘YesNoAuto’ from assembly ‘UiPath.Vision.Core, Version=1.0.6478.19392, Culture=neutral, PublicKeyToken=null’.

Error: System.TypeLoadException: Could not load type ‘YesNoAuto’ from assembly ‘UiPath.Vision.Core, Version=1.0.6478.19392, Culture=neutral, PublicKeyToken=null’.
at System.Reflection.RuntimeAssembly.GetExportedTypes(RuntimeAssembly assembly, ObjectHandleOnStack retTypes)
at System.Reflection.RuntimeAssembly.GetExportedTypes()
at System.Activities.Presentation.View.ImportDesigner.GetUniqueNamespacesInAssembly(Assembly assembly, AssemblyContextControlItem assemblyContextItem)
at System.Activities.Presentation.View.ImportDesigner.UpdateAvailableNamespaces(Assembly assembly, AssemblyContextControlItem assemblyContextItem)
at System.Activities.Presentation.View.ImportDesigner.GetAvailableNamespaces()
at System.Activities.Presentation.View.ImportDesigner.OnContextChanged()
at System.Activit

2

HI @viveksri06

Just make sure the UiPath.System.Activities are of the same version of the project you had earlier before upgrading. If there is a change in the version type of the dependency, downgrade or upgrade the packages to suit the one you had earlier.

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3

@Lahiru.Fernando do you have more information on this topic?