The allow_url_fopen directive allows URL access to files using functions such as fopen, require, and include. Many plugins from various CMS platforms (WordPress, Prestashop, etc.) require allow_url_fopen to be enabled on your hosting account:
 
This value can be enabled from the hosting management section you wish to configure. Go to the "Server" column and access "Configure PHP":
 
 
Once there, go to the "allow_url_fopen Directive" and verify that the toggle button in this column is enabled. If it appears as Disabled, click on it to enable it:



The button should appear like this:
 


For more information, you can contact us.