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Fatal error: Uncaught mysqli_sql_exception: 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 'group by art_cod, suc_cod having sum(sto) > 0) s left join (select art_cod, s...' at line 10 in /home/a61823/public_html/producto_canje-agregar.php:33 Stack trace: #0 /home/a61823/public_html/producto_canje-agregar.php(33): mysqli_query() #1 {main} thrown in /home/a61823/public_html/producto_canje-agregar.php on line 33