Solution for WP duplicator installation: This site can’t be reached dup-installer/main.installer.php is unreachable.

Solution for WP duplicator installation: This site can’t be reached dup-installer/main.installer.php is unreachable.

Step one: If you have access to CP, navigate to where you are trying to install using the WP Duplicator, dup-installer/error_log: inside the log file:


[21-Nov-2019 20:38:52 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function json_encode() in .../public_html/dup-installer/classes/utilities/class.u.notices.manager.php:86

From this error, Json is not installed or activate on you CP. If you have access to CP or ask the hosting’s company to activate Json on the PHP configuration:

On Json will be activate try to install again:

Note: On the log error you should find the reason why the installation of duplicator is not working.