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Fatal error: Uncaught TypeError: mysqli_close(): Argument #1 ($mysql) must be of type mysqli, bool given in /home/fbianchi/public_html/PYP2025/instalacion.php:298 Stack trace: #0 /home/fbianchi/public_html/PYP2025/instalacion.php(298): mysqli_close(false) #1 /home/fbianchi/public_html/PYP2025/browse-a.php(5): include('/home/fbianchi/...') #2 {main} thrown in /home/fbianchi/public_html/PYP2025/instalacion.php on line 298