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Warning: include(): Failed opening 'conexion.php' for inclusion (include_path='.:/opt/cpanel/ea-php82/root/usr/share/pear') in /home/wwedus/public_html/iepadilla.edusac.info/comprobando_act.php on line 19

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Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given in /home/wwedus/public_html/iepadilla.edusac.info/comprobando_act.php:25 Stack trace: #0 /home/wwedus/public_html/iepadilla.edusac.info/comprobando_act.php(25): mysqli_query(NULL, 'SELECT \n\tupper(...') #1 {main} thrown in /home/wwedus/public_html/iepadilla.edusac.info/comprobando_act.php on line 25