APPLICATION ERROR WORK AROUND: 

Individuals are getting an application error when selecting an approver from their recently used approvers in the workflow dialog box.  To avoid this error follow these steps:

• Enter the expense report
• Open the Details Menu
• Click Approval Flow
• Click in the approver search box
• *DO NOT select the approver from your drop down when the list appears*
• Search for the approver by typing their last name
• Select the name once found from that search
• Save

The Concur team is aware of this issue and they are working to resolve it.