Warning: include(koneksi.php): Failed to open stream: No such file or directory in C:\xampp\htdocs\acstelegram\loginnotif.php on line 3

Warning: include(): Failed opening 'koneksi.php' for inclusion (include_path='C:\xampp\php\PEAR') in C:\xampp\htdocs\acstelegram\loginnotif.php on line 3

Warning: Undefined variable $db in C:\xampp\htdocs\acstelegram\loginnotif.php on line 66

Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given in C:\xampp\htdocs\acstelegram\loginnotif.php:66 Stack trace: #0 C:\xampp\htdocs\acstelegram\loginnotif.php(66): mysqli_query(NULL, 'SELECT * FROM p...') #1 {main} thrown in C:\xampp\htdocs\acstelegram\loginnotif.php on line 66