MDB2 Error: unknown error - _doQuery: [Error message: Could not execute statement] [Last executed query: SELECT COUNT(prod_ID) AS nb FROM z_produit, z_produit_categorie WHERE prod_ID = produit_Id AND prod_online = '1' AND prod_visible = '1' AND categorie_Id = 21] [Native code: 2013] [Native message: Lost connection to MySQL server during query]