ERRO Under Development Website under development.

Hi, it seems that there is an active “Maintenance mode” from some plugin or theme.

You should try disabling the plugins or switching to some default WordPress theme to isolate the problem and see what is causing it.

You can find instructions on how to disable plugins without accessing the WP Admin on this link: https://www.wpbeginner.com/plugins/how-to-deactivate-all-plugins-when-not-able-to-access-wp-admin/