SAP Message XS801 - Status cannot be sent

Diagnosis
The status for the message (with message ID &V2&) cannot be sent.

System Response
The status is lost.
Additional information of the node used (in the system language of thenode):
V4

Procedure
Check the system problems at node &V1& that have caused this behavior.You cannot explicitly regenerate the status message (generally a'received' or 'read' acknowledgement). If necessary, create anacknowledgement manually and sent it to the recipient.