1054 Unknown column 'c.parent_id' in 'on clause'
in:
[SELECT c.categories_id, c.parent_id, cd.categories_name as cName, cd2.categories_name as pName
FROM categories c,
categories_description cd
LEFT JOIN categories_description cd2
ON c.parent_id=cd2.categories_id AND cd2.language_id='2'
WHERE c.categories_id='131'
AND cd.categories_id='131'
AND cd.language_id='2'
LIMIT 1]