SAP Message /POSDW/OUTPUT040 - IM: Transaction type (header) &1 unknown in Customizing

Diagnosis
In Customizing for POS Data Management, no entry was found for the POStransaction category for updating operational sales/goods movement datato inventory management.

System Response
Processing of all the transactions associated to the 'InventoryManagement' task is rejected with errors.

Procedure
In Customizing for Inventory Management, you make the necessary settingsfor 'Integration with other SAP Components -> Enterprise RessourcePlanning -> mySAP ERP Inventory Management'.