SAP Message VL479 - Change management is not active. You cannot save the delivery

Diagnosis Change management for the decentralized Warehouse Management System hasbeen temporarily deactivated, or the central system is not available. System Response Depending on your Customizing settings or a user decision, saving thedelivery is canceled. Procedure Contact your system administrator. Procedure for System Administration If required, check your Customizing settings. For more information, seethe Implementation Guide (IMG) under Logistics Execution -->Decentralized WMS Integration --> Local Operations -->Application --> Control ChangeManagement for Deliveries .