Issue in running workflow in the course

Learn Academy Feedback
1

I face this issue while running workflows attached to the course.How to resolve this:

19.4.2+Branch.master.Sha.e17a3bedca2a7da0d0b716b5f8f765d1d5ef1ddc

The workflow has validation errors. Review and resolve them first.

System.IO.FileLoadException: Could not load file or assembly ‘Microsoft.VisualBasic.Activities.Compiler.dll’ or one of its dependencies. A dynamic link library (DLL) initialization routine failed. (Exception from HRESULT: 0x8007045A)
File name: ‘Microsoft.VisualBasic.Activities.Compiler.dll’
at Microsoft.VisualBasic.Activities.VisualBasicHelper.Compile[T](LocationReferenceEnvironment environment, Boolean isLocationReference)
at Microsoft.VisualBasic.Activities.VisualBasicHelper.Compile[T](CodeActivityPublicEnvironmentAccessor publicAccessor, Boolean isLocationReference)
at Microsoft.VisualBasic.Activities.VisualBasicHelper.Compile[T](String expressionText, CodeActivityPublicEnvironmentAccessor publicAccessor, Boolean isLocationExpression)
at Microsoft.VisualBasic.Activities.VisualBasicReference1.CompileLocationExpression(CodeActivityPublicEnvironmentAccessor publicAccessor, String& validationError) at Microsoft.VisualBasic.Activities.VisualBasicReference1.CacheMetadata(CodeActivityMetadata metadata)
at System.Activities.CodeActivity1.OnInternalCacheMetadataExceptResult(Boolean createEmptyBindings) at System.Activities.Activity1.OnInternalCacheMetadata(Boolean createEmptyBindings)
at System.Activities.Activity.InternalCacheMetadata(Boolean createEmptyBindings, IList1& validationErrors) at System.Activities.ActivityUtilities.ProcessActivity(ChildActivity childActivity, ChildActivity& nextActivity, Stack1& activitiesRemaining, ActivityCallStack parentChain, IList1& validationErrors, ProcessActivityTreeOptions options, ProcessActivityCallback callback) at System.Activities.ActivityUtilities.ProcessActivityTreeCore(ChildActivity currentActivity, ActivityCallStack parentChain, ProcessActivityTreeOptions options, ProcessActivityCallback callback, IList1& validationErrors)
at System.Activities.ActivityUtilities.CacheRootMetadata(Activity activity, LocationReferenceEnvironment hostEnvironment, ProcessActivityTreeOptions options, ProcessActivityCallback callback, IList`1& validationErrors)
at System.Activities.Validation.ActivityValidationServices.InternalActivityValidationServices.InternalValidate()
at System.Activities.Validation.ActivityValidationServices.Validate(Activity toValidate, ValidationSettings settings)
at System.Activities.Presentation.Validation.ValidationService.CoreValidationWork(ValidationReason reason, CancellationToken cancellationToken)

2

@Shv2145

Welcome to the UIpath Community.

Goto Manage Packages and update packages if it asks and then try.

3

Hi Lakshman

I didnot get any update popup and these are the packages I can see

image
image1338×785 44.2 KB

Please help me in resolving this, without formatting system.