Error (SELECT common_canzoni.titolo, common_artisti.nome, common_canzoni.ID as IDcanzone, common_canzoni.IDartista FROM common_canzoni JOIN common_artisti ON common_canzoni.IDartista = common_artisti.ID WHERE IDartista = AND visto_es > 0 ORDER BY visto_es DESC LIMIT 10): 1064 - You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'AND visto_es > 0 ORDER BY visto_es DESC LIMIT 10' at line 1