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Pol Ribas Pibernat8,952 Points
Fatal error: Cannot redeclare _wp_menu_output()
I am getting this error when accessing to the new settings page:
Fatal error: Cannot redeclare _wp_menu_output() (previously declared in /app/public/wp-admin/menu-header.php:68) in /app/public/wp-admin/menu-header.php on line 68 .
Stanley Thijssen22,831 Points
Have you tryed to adjust this file? Or have you adjusted any code in your WordPress core?