Row was dropped from table %1 to maintain referential integrity

Error constant SQLE_ROW_DELETED_TO_MAINTAIN_REFERENTIAL_INTEGRITY
ODBC 2 state OK
ODBC 3 state OK
Parameter 1 The name of the table.
Severity 10
SQLCODE 137
SQLSTATE 01W24
Sybase error code 13489
 Probable cause