What is the cause that causes this? On Thursday, 3 January 2013 19:30:53 UTC-6, samuel bonilla wrote: > > this is the error > > <class '_mysql_exceptions.IntegrityError'> (1452, 'Cannot add or update a > child row: a foreign key constraint fails > (`samuel$otra`.`article_category`, CONSTRAINT `article_category_ibfk_1` > FOREIGN KEY (`parent_id`) REFERENCES `article_category` (`id`) ON DELETE > CASCADE)') > > help me please.... >
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