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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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