Message SAP /SAPCEM/MM004 - No entries found for MM integration (document type &)

Diagnosis
At least one of the follwoing entries has not been maintained:
- allowed material types for activity type <(>&<)>
- MM movement types relevant to the generation of CEM shippingdocuments
- Recipients for the combination plant/storage location

Procedure
Maintain the following table(s):
- XXX for valid material types for activity type <(>&<)>
- YYY for MM movement types relevant to CEM
- ZZZ for recipients for combination plant/storage location