Notice: Undefined variable: mysqli in C:\xampp\htdocs\VERSION 4.4\modulos a actualizar\FE\fe_consultasbd.php on line 11

Fatal error: Uncaught Error: Call to a member function query() on null in C:\xampp\htdocs\VERSION 4.4\modulos a actualizar\FE\fe_consultasbd.php:11 Stack trace: #0 C:\xampp\htdocs\VERSION 4.4\modulos a actualizar\FE\refresh_token.php(5): require() #1 {main} thrown in C:\xampp\htdocs\VERSION 4.4\modulos a actualizar\FE\fe_consultasbd.php on line 11