3813894 - Warning: "Action: you have modified the default mileage calculation above the preferred range"

Many of our employees are receiving warning message on mileage expenses even though they have not modified the mileage. The error message which reads : "Action: you have modified the default mileage calculation above the preferred range". Please assist.

Our employees are unable to claim their mileage expense as they are receiving the error message which reads : "Action: you have modified the default mileage calculation above the preferred range". Kindly advise. , KBA , CON-CA-ADM , Administration , Problem