Could not load the backup/restore DLL \"%1\

Error constant SQLE_BACKUP_NOT_LOADED
ODBC 2 State ERROR
ODBC 3 State ERROR
Parameter 1 The name of the DLL that could not be loaded.
Severity 19
SQLCODE –691
SQLSTATE 08W44
Sybase error code 13718
Probable cause

An attempt to load the backup/restore DLL failed.