Hi there,
I recently updated to Meta Box 5.6.14 and now when I click on "Edit" under a custom post type I see the website crash message and an email is triggered with the following code:
Error Details
=============
An error of type E_ERROR was caused in line 111 of the file /www/wp-content/plugins/meta-box-aio/vendor/meta-box/mb-custom-post-type/src/Edit.php. Error message: Uncaught Error: Class "RWMB_Update_Option" not found in /www/wp-content/plugins/meta-box-aio/vendor/meta-box/mb-custom-post-type/src/Edit.php:111
Stack trace:
#0 /www/wp-content/plugins/meta-box-aio/vendor/meta-box/mb-custom-post-type/src/Edit.php(24): MBCPT\Edit->is_premium_user()
#1 /wordpress/wp-includes/class-wp-hook.php(310): MBCPT\Edit->register_upgrade_meta_box('mb-post-type')
#2 /wordpress/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array)
#3 /wordpress/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#4 /wordpress/wp-admin/includes/meta-boxes.php(1599): do_action('add_meta_boxes', 'mb-post-type', Object(WP_Post))
#5 /wordpress/wp-admin/edit-form-advanced.php(271): register_and_do_post_meta_boxes(Object(WP_Post))
#6 /wordpress/wp-admin/post.php(206): require('/wordpress/wp-a...')
#7 {main}
thrown