SELECT p.id, pt.name
	      FROM pages p
	      INNER JOIN pages_text pt ON p.id = pt.page_id AND pt.language_id = 1
	      INNER JOIN products_params_sizes ps ON p.id = ps.size_id AND ps.quantity > 0 AND ps.product_id = 
	      WHERE 1
	      GROUP BY p.id
	      ORDER BY p.order_id
	      
	      

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'WHERE 1
	      GROUP BY p.id
	      ORDER BY p.order_id' at line 5

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