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Warning: Undefined variable $conn in /home/chedra67/public_html/_sub/csm/php/summary.php on line 33

Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given in /home/chedra67/public_html/_sub/csm/php/summary.php:33 Stack trace: #0 /home/chedra67/public_html/_sub/csm/php/summary.php(33): mysqli_query(NULL, 'SELECT * FROM f...') #1 {main} thrown in /home/chedra67/public_html/_sub/csm/php/summary.php on line 33