Fatal error: Uncaught Error: Class 'MBBParser\Parsers\MetaBox' not found

This topic has 5 replies, 3 voices, and was last updated 4 years, 4 months ago by skipy.

Viewing 6 posts - 1 through 6 (of 6 total)

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August 13, 2020 at 4:33 AM #21235
skipy
Participant
I have installed MetaBox AIO. Since the latest update to 5.3.3 I am not able to add or edit Custom Field Types via the Builder anymore. I am getting this error message:
```
 Fatal error: Uncaught Error: Class 'MBBParser\Parsers\MetaBox' not found
in xxx/wp-content/plugins/meta-box-aio/vendor/meta-box/meta-box-builder/src/Edit.php on line 180

Call stack:
MBB\Edit::update_meta_box()
wp-includes/class-wp-hook.php:289
WP_Hook::apply_filters()
wp-includes/plugin.php:206
apply_filters()
wp-includes/post.php:3971
wp_insert_post()
wp-includes/post.php:4354
wp_update_post()
wp-admin/includes/post.php:419
edit_post()
wp-admin/post.php:227
```
When digging into the Code, this is the problematic line of code:
$parser = new \MBBParser\Parsers\MetaBox( $settings );
The class does not seem to exist.

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August 13, 2020 at 6:08 AM #21236
dragonxaura
Participant
I've just started getting this error today as well. Any time I try to edit something with the Meta Box Custom Field builder in WordPress I get an error.
```
Error Details
=============
An error of type E_ERROR was caused in line 180 of the file /home/hydimension/hydimension.com/wp-content/plugins/meta-box-aio/vendor/meta-box/meta-box-builder/src/Edit.php. Error message: Uncaught Error: Class 'MBBParser\Parsers\MetaBox' not found in /home/hydimension/hydimension.com/wp-content/plugins/meta-box-aio/vendor/meta-box/meta-box-builder/src/Edit.php:180
```
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August 13, 2020 at 11:06 AM #21243

Long Nguyen
Moderator

Hi,

Please update the new version 1.11.18 of the extension Meta Box AIO to fix this issue.

Thank you.

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August 13, 2020 at 5:22 PM #21255
dragonxaura
Participant
Hi Long.

The MetaBox and MetaBox AIO plugins are both updated to the latest version.

I'll post the rest of my error message as well:
```
Stack trace:
#0 /home/xxx/xxx.com/wp-includes/class-wp-hook.php(289): MBB\Edit->update_meta_box(Array, Array)
#1 /home/xxx/xxx.com/wp-includes/plugin.php(206): WP_Hook->apply_filters(Array, Array)
#2 /home/xxx/xxx.com/wp-includes/post.php(3971): apply_filters('wp_insert_post_...', Array, Array, Array)
#3 /home/xxx/xxx.com/wp-includes/post.php(4354): wp_insert_post(Array, false)
#4 /home/xxx/xxx.com/wp-admin/includes/post.php(419): wp_update_post(Array)
#5 /home/xxx/xxx.com/wp-admin/post.php(227): edit_post()
#6 {main}
  thrown
```
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August 14, 2020 at 9:59 AM #21269

Long Nguyen
Moderator

Hi,

Refer to this topic https://support.metabox.io/topic/uncaught-error-class-mbbparserparsersmetabox-not-found/.

Please try to re-install the plugin Meta Box AIO which downloaded from the My Account page then check the issue again.

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August 23, 2020 at 1:15 AM #21403

skipy
Participant

Thank you Long, this worked. No idea why - but it did. Great

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