SAP Message AJ055 - No rate was found for the period &1 to &2

Diagnosis
No rate has been found for the period &v1& -- &v2&.

System Response
Billing was canceled because the entire billing period is not coveredby rates. Billing must always be carried out for the entire billingperiod. The rates must therefore cover the entire billing period.
Billing period: &v3& -- &v4&

Procedure
Make sure that rates are found for the entire billing period. To dothis, check the rate determination of the installation in the billingperiod (Transaction EA00 --> Utilities --> Rate detemination).