The mirror '%1' does not match database '%2'

Error constant SQLE_MIRROR_FILE_MISMATCH
ODBC 2 state ERROR
ODBC 3 state ERROR
Parameter 1 The name of the mirror file
Parameter 2 The name of the database file
Severity 16
SQLCODE -1138
SQLSTATE WW090
Sybase error code 13375
 Probable cause