My Website is Not Loading Due to "Fatal Error"

Does anyone know why the below is coming up anytime I try to access my site and how I can fix it?

Fatal error : Cannot redeclare has_block() (previously declared in /home7/wdwopini/public_html/wp-includes/blocks.php:81) in /home7/wdwopini/public_html/wp-content/plugins/multiple-content-blocks/assets/inc/template-tags.php on line 67

Fatal error : Uncaught Error: Call to undefined function is_user_logged_in() in /home7/wdwopini/public_html/wp-content/mu-plugins/endurance-page-cache.php:457 Stack trace: #0 /home7/wdwopini/public_html/wp-content/mu-plugins/endurance-page-cache.php(490): Endurance_Page_Cache->is_cachable() #1 /home7/wdwopini/public_html/wp-includes/class-wp-hook.php(286): Endurance_Page_Cache->finish(’’) #2 /home7/wdwopini/public_html/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #3 /home7/wdwopini/public_html/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #4 /home7/wdwopini/public_html/wp-includes/load.php(684): do_action(‘shutdown’) #5 [internal function]: shutdown_action_hook() #6 {main} thrown in /home7/wdwopini/public_html/wp-content/mu-plugins/endurance-page-cache.php on line 457

Hello @conorwdwopinion

You can contact to author for quick support.

Thanks :slight_smile:


Thanks for asking your question at Envato Forum.

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may be your site are not running latest version things. Please check and if you can’t figure it out please contact Author to fix it.
Note: please keep a backup before making any update