Constraint '%1' violated: Invalid value in table '%2'

Error constant SQLE_TABLE_CONSTRAINT_VIOLATED
ODBC 2 state 42000
ODBC 3 state 23000
Parameter 1 Name of the constraint (if defined) that was violated by an invalid value.
Parameter 2 Name of the table containing the column.
Severity 16
SQLCODE -1091
SQLSTATE 23508
Sybase error code 548
 Probable cause