Too many MESSAGE ... FOR CONNECTION messages

Error constant SQLE_CONNECTION_MESSAGE_QUEUE_FULL
ODBC 2 State 37000
ODBC 3 State 54000
Severity 19
SQLCODE –1303
SQLSTATE 54W16
Sybase error code 13457
Probable cause

You executed a MESSAGE ... FOR CONNECTION statement and the maximum number of messages for the connection have already been queued.