Constraint '%1' not found

Error constant SQLE_CONSTRAINT_NOT_FOUND
ODBC 2 State S0002
ODBC 3 State 42S23
Parameter 1 Name of the constraint that could not be found.
Severity 16
SQLCODE –929
SQLSTATE 42U04
Sybase error code 13556
Probable cause

You misspelled the name of a constraint, or the constraint you are looking for is on a different table.