Warning: include(config/database_connection_sis.php): failed to open stream: No such file or directory in C:\xampp\htdocs\pages\micuenta.php on line 2

Warning: include(): Failed opening 'config/database_connection_sis.php' for inclusion (include_path='C:\xampp\php\PEAR') in C:\xampp\htdocs\pages\micuenta.php on line 2

Warning: Use of undefined constant appnombre - assumed 'appnombre' (this will throw an Error in a future version of PHP) in C:\xampp\htdocs\pages\micuenta.php on line 4

Notice: Undefined variable: _SESSION in C:\xampp\htdocs\pages\micuenta.php on line 4

Notice: Trying to access array offset on value of type null in C:\xampp\htdocs\pages\micuenta.php on line 4

Warning: Use of undefined constant appnombre - assumed 'appnombre' (this will throw an Error in a future version of PHP) in C:\xampp\htdocs\pages\micuenta.php on line 5

Notice: Undefined variable: _SESSION in C:\xampp\htdocs\pages\micuenta.php on line 5

Notice: Trying to access array offset on value of type null in C:\xampp\htdocs\pages\micuenta.php on line 5

Notice: Undefined variable: connect_sis in C:\xampp\htdocs\pages\micuenta.php on line 8

Fatal error: Uncaught Error: Call to a member function prepare() on null in C:\xampp\htdocs\pages\micuenta.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\pages\micuenta.php on line 8