Warning: Undefined variable $conn in C:\web\xampp02\htdocs\EasyTec\prueba\recaudo\03.php on line 37
Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given in C:\web\xampp02\htdocs\EasyTec\prueba\recaudo\03.php:37
Stack trace:
#0 C:\web\xampp02\htdocs\EasyTec\prueba\recaudo\03.php(37): mysqli_query(NULL, 'SELECT * FROM f...')
#1 {main}
thrown in C:\web\xampp02\htdocs\EasyTec\prueba\recaudo\03.php on line 37