Error Class 23: Constraint Violation

Error Class 23: Constraint Violation
SQLSTATE Message Text
23502 Column '<columnName>' cannot accept a NULL value.
23503 <value> on table '<tableName>' caused a violation of foreign key constraint '<constraintName>' for key <keyName>. The statement has been rolled back.
23505 The statement was aborted because it would have caused a duplicate key value in a unique or primary key constraint or unique index identified by '<value>' defined on '<value>'.
23513 The check constraint '<constraintName>' was violated while performing an INSERT or UPDATE on table '<tableName>'.