Meta Box

I got it. I recommend you include the plugin by TGM Activation Class as pointed out in the documentation. The way you include the plugin inside theme was the old way and it might lead to problems as I wrote in the documentation.

Hello,

I see the meta boxes appear in the screenshot, but not the meta box content. Do you use any CSS or somehow to hide them (like clicking on the meta box title)? I see the content of other meta boxes are hidden as well.

Hi, there was a contribution from Remy van Velthuijsen for Meta Box plugin to support cloning wysiwyg. But that's not for group :(. Until now it is still in feature request queue 🙁

rwmb_meta accepts 3 params. You missed the 2nd one. It should be:

echo rwmb_meta( 'nsys_footer_left', '', 32 );

Hi marcogonzaga, unfortunately the nested group feature is not supported at the moment :(. But I think you can solve your problem with:

- Create a new custom post type "menu"
- Create meta box for "menu", to add items (can be clone)
- In "page", use field "post" to add menu to page

Not yet. I'm updating the Meta Box plugin with better way to get and display meta value in the frontend. After that (version 4.5) I will go back to limits of clone. Please wait.

Thank you!

Thank you kris2liss! I've just updated the plugin with the fix for this error. The "check" function runs quite early and if we check by post ID or post slug it will show the error because $post is null.

The fix is similar to your code, but I think it's better to check inside check_slug and check_id functions.