Warning: Undefined variable $conn in /home/coch.cl/public_html/megaeventos/registro/vistas/login.php on line 4

Fatal error: Uncaught Error: Call to a member function set_charset() on null in /home/coch.cl/public_html/megaeventos/registro/vistas/login.php:4 Stack trace: #0 {main} thrown in /home/coch.cl/public_html/megaeventos/registro/vistas/login.php on line 4