SAP Message XS644 - Currently no delivery to &, as error occurred during decoding/validation

Diagnosis
The message could not be decoded or validated by recipient &V1&.Possible causes for this are a missing certificate or that the messagewas changed during the transport.

System Response
Processing was completed normally.
Additional information of the used node (if available, in the systemlanguage of the node):
V4

Procedure
Attempt to resend the message at a later time.