Cannot connect to mirror server. Use server name '%1' to find the primary server

Error constant SQLE_CONNECTED_TO_MIRROR_SERVER
ODBC 2 state 08001
ODBC 3 state 08001
Parameter 1 The server name for the mirroring system.
Severity 11
SQLCODE -1039
SQLSTATE 08W91
Sybase error code 13472
 Probable cause