PHP Notice: Trying to get property 'id' of non-object

This topic has 4 replies, 3 voices, and was last updated 2 years, 2 months ago by Long Nguyen.

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April 10, 2020 at 2:09 AM #18947

Participant

Hi,
I'm creating Gutenberg blocks using MB Blocks and Builder. Whenever I click on a block to edit it, I get this PHP error in the log. It only happens when MB User Meta or MB User Profile is enabled.

[09-Apr-2020 19:05:09 UTC] PHP Notice:  Trying to get property 'id' of non-object in /var/www/wordpress.stock2/public/content/plugins/meta-box-aio/vendor/meta-box/mb-user-meta/src/DuplicatedFields.php on line 31
[09-Apr-2020 19:05:09 UTC] PHP Stack trace:
[09-Apr-2020 19:05:09 UTC] PHP   1. {main}() /var/www/wordpress.stock2/public/wp/wp-admin/admin-ajax.php:0
[09-Apr-2020 19:05:09 UTC] PHP   2. do_action() /var/www/wordpress.stock2/public/wp/wp-admin/admin-ajax.php:175
[09-Apr-2020 19:05:09 UTC] PHP   3. WP_Hook->do_action() /var/www/wordpress.stock2/public/wp/wp-includes/plugin.php:478
[09-Apr-2020 19:05:09 UTC] PHP   4. WP_Hook->apply_filters() /var/www/wordpress.stock2/public/wp/wp-includes/class-wp-hook.php:311
[09-Apr-2020 19:05:09 UTC] PHP   5. MBBlocks\MetaBox->fetch() /var/www/wordpress.stock2/public/wp/wp-includes/class-wp-hook.php:287
[09-Apr-2020 19:05:09 UTC] PHP   6. MBBlocks\MetaBox->show() /var/www/wordpress.stock2/public/content/plugins/meta-box-aio/vendor/meta-box/mb-blocks/src/MetaBox.php:87
[09-Apr-2020 19:05:09 UTC] PHP   7. RWMB_Field::call() /var/www/wordpress.stock2/public/content/plugins/meta-box/inc/meta-box.php:259
[09-Apr-2020 19:05:09 UTC] PHP   8. RWMB_Field::show() /var/www/wordpress.stock2/public/content/plugins/meta-box/inc/field.php:593
[09-Apr-2020 19:05:09 UTC] PHP   9. RWMB_Field::filter() /var/www/wordpress.stock2/public/content/plugins/meta-box/inc/field.php:71
[09-Apr-2020 19:05:09 UTC] PHP  10. apply_filters_ref_array() /var/www/wordpress.stock2/public/content/plugins/meta-box/inc/field.php:628
[09-Apr-2020 19:05:09 UTC] PHP  11. WP_Hook->apply_filters() /var/www/wordpress.stock2/public/wp/wp-includes/plugin.php:249
[09-Apr-2020 19:05:09 UTC] PHP  12. MBUM\DuplicatedFields->remove_field() /var/www/wordpress.stock2/public/wp/wp-includes/class-wp-hook.php:289

Using Firefox 75, WP 5.4, MetaBox 5.2.8, MetaBox AIO 1.11.2.

April 10, 2020 at 2:08 PM #18958

Long Nguyen

Moderator

Hi Drake,

Something goes wrong with the function get_current_screen() and it does not return a screen object which always has the property id.

Please try to edit the file /wp-content/plugins/metabox-meta-box-aio/vendor/meta-box/mb-user-meta/src/DuplicatedFields.php and check the object $screen on line 31, the code should be

$screen = get_current_screen();
if( ! is_object( $screen ) ) {
    return $html;
}

Then clear the log and edit the block again. Let me know how it goes.

April 11, 2020 at 4:00 AM #18975

Drake Cooper

Participant

That fixes the error.
Thanks!

June 28, 2021 at 9:51 PM #29178

PASCAL Hämmerli

Participant

Experienced the same issue here.
The website was super slow on the Ajax Requests from MB Blocks.

I applied the correction mentioned in DuplicatedFields.php
and also in UserFields.php (line 37).
After this the website was normal again.

Will this patch be on the next update?
I want to be sure that those 2 modifications won't be overwritten next time with the plugin update.

Thanks

June 29, 2021 at 9:24 PM #29207

Long Nguyen

Moderator

Hi Pascal,

Thank you for your feedback.

I've informed the development team to fix this issue. It will be included in the next update.

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