Error "The remote server returned an error: (500) Internal Server Error." Using Call Web Service and Workflow Variable

ISSUE

When running a workflow using the call web service run now action and workflow variables trying to get "GetuserInfo" method, the following error occurs:

RESOLUTION

Use a static variable to verify the information.

 

 

ADDITIONAL INFORMATION

This issue occurs because the variables that were passed in the run now are empty. Using the workflow variables the web service works only when publishing the workflow and running it.