UiPath : The following errors were encountered while processing the workflow tree: 'Main'

http://Message: The following errors were encountered while processing the workflow tree: 'Main': The private implementation of activity '1: Main' has the following validation error: Value for a required activity argument 'Value' was not supplied. 'Main': The private implementation of activity '1: Main' has the following validation error: Value for a required activity argument 'Value' was not supplied. Exception Type: System.Activities.InvalidWorkflowException RemoteException wrapping System.Activities.InvalidWorkflowException: The following errors were encountered while processing the workflow tree: 'Main': The private implementation of activity '1: Main' has the following validation error: Value for a required activity argument 'Value' was not supplied. 'Main': The private implementation of activity '1: Main' has the following validation error: Value for a required activity argument 'Value' was not supplied.

 

assign 중에

aa = " " 가 있었는데 얘가 문제가 되었다.