• I’m having problems on ManageWP with a multisite running WP Cerber. I’m getting this error message
    Backup failed on 62 sites .
    site URL
    Call to undefined function cerber_is_admin_page() occurred in wp-content/plugins/wp-cerber/settings.php on line 61 please make sure that your website is accessible

    The site is live but for some reason the backups are not working. I’ve even added all ManageWP IP addresses to Cerber’s White list but I still keep getting errors.

    The page I need help with: [log in to see the link]

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  • Plugin Author gioni

    (@gioni)

    It happens because something brakes the normal way of loading and initializing admin parts of the plugins on your website. Maybe ManageWP plugin does it. Ask the ManageWP developers why does the plugin fires ‘admin_init’ action in a non standard, lame way.

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