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Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, bool given in /var/www/htmls/dif_cco/libphp/adodb5/drivers/adodb-mysqli.inc.php:1372 Stack trace: #0 /var/www/htmls/dif_cco/libphp/adodb5/drivers/adodb-mysqli.inc.php(1372): mysqli_query() #1 /var/www/htmls/dif_cco/libphp/adodb5/adodb.inc.php(1613): ADODB_mysqli->_query() #2 /var/www/htmls/dif_cco/libphp/adodb5/drivers/adodb-mysqli.inc.php(1113): ADOConnection->_Execute() #3 /var/www/htmls/dif_cco/login.php(124): ADODB_mysqli->execute() #4 /var/www/htmls/dif_cco/login.php(69): borraSesion() #5 {main} thrown in /var/www/htmls/dif_cco/libphp/adodb5/drivers/adodb-mysqli.inc.php on line 1372