To resolve this error message, you need to confirm the employee is set up as an approver in back office and has access to the required expense group/input location by following the below steps.
Go to Back Office then click Core Expense.
Click Reference then Reference C-C.
Click Claimant Approvers and search for the relevant approver to ensure the Approver Ind is ticked.
Click the Yellow File Icon to save and Red Door Icon to exit.
Click Reference then Reference C-C.
Click Claimant and check that the expense group and input location are correct for the approver.
If the issue persists after following the steps above, you need to check if the employee has been correctly set up as an approver in back office.