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After changing menu in WordPress it gives blank page

May 10, 20234 Views

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I have problem with my wordpress website, however, I’m trying to change menus and when I make changes and then I click “Save”, blank page is shown after few seconds. This menu contains a lot of menu items. However, when I try to edit a menu that contains less menu items, everything’s okay.

What should I do?

Also I’ve found this error in my error log and have no idea how to fix them. I’m php developer by the way.

[25-May-2015 18:02:09 Europe/Budapest] PHP Fatal error:  Call to undefined function send_origin_headers() in /home/gloster/public_html/wp-admin/admin-ajax.php on line 25


[25-May-2015 15:09:34 UTC] PHP Fatal error:  Call to undefined function wp_get_nav_menu_to_edit() in /home/gloster/public_html/wp-admin/nav-menus.php on line 477

Edit: I have found that after 17. menu item, any change to menu gives blank

Post Views: 4

1 comment

Anonymous says:

May 10, 2023 at 7:01 am
It was due to php.ini variables. I increased these:
```
suhosin.post.max_vars 
suhosin.request.max_vars
```

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