HIBA:
Unknown column 'mr.id' in 'field list'

SQL:

SELECT COUNT(mr.id) AS numofrows FROM press_items INNER JOIN press_items_mutations pim ON (press_items.id=pim.item_id AND lang="hu") LEFT JOIN morefields_related mr1 ON (mr1.morefield_id=187 AND mr1.related_id=press_items.id) LEFT JOIN morefields_related mr2 ON (mr2.morefield_id=188 AND mr2.related_id=press_items.id) WHERE press_items.is_active=1 AND pim.is_active=1 AND (mr2.value is null OR mr2.value = "")