Unknown column '51icon' in 'where clause': SELECT books_id, books_titel, books_slug, books_utitel, books_autor, books_hg, SUBSTRING(books_zum_Buch,1,300) AS zum_buch, books_cover_img FROM books WHERE books_kategorie = 51icon/shopping_cart_10.png AND books_typ != 5 AND books_statustext LIKE 'lieferbar' ORDER BY books_erscheint DESC