SAP Message XS805 - No delivery to &, as too many recipients

Diagnosis
The message could not be delivered to recipient &V1& as too manyrecipients were specified.

System Response
Processing was ended normally.
Additional information of the node used (in the system language of thenode):
V4

Procedure
You tried to send to &V2& recipients all at once. If you want to reachall these recipients, send the message to a smaller set of recipients amultiple number of times.