Issue
A Scheduled Workflow with a "Query list" action will not start when the the Due Date is equal to "today". The workflow errors with: "The string was not recognized as a valid DateTime. There is an unknown word starting at index 0"
Error Code
"The string was not recognized as a valid DateTime. There is an unknown word starting at index 0"
Resolution
Create a variable for "Today's" date and set the Due date equal to the newly created variable:Today