Message SAP /DSD/SL_FSR016 - No items exist for external delivery &1

Diagnosis
It has been entered that there are deviations in the outbound deliveryof the external delivery &V1&. The system could not find item data totrack the actual outbound delivery.

System Response
The external delivery &V1& will not be processed

Procedure
There is an error in the data. Please inform your system administrator.

Procedure for System Administration
Check the incorrect data.