This error can be at some servers of 1&1 hosting, or may be at some other ones.
For fixing this issue, please add this line to their .htaccess file:
AddType x-mapp-php5 .php
Online booking and availability checking solution for your website
This error can be at some servers of 1&1 hosting, or may be at some other ones.
For fixing this issue, please add this line to their .htaccess file:
AddType x-mapp-php5 .php