Hi, I have just activated toolset form and I cannot create a new form at all. It is cannot collapse or responding when I try to create new form.
I also receive an email from the WordPress:
Howdy!
Since WordPress 5.2 there is a built-in feature that detects when a plugin or theme causes a fatal error on your site, and notifies you with this automated email.
In this case, WordPress caught an error with your theme, Boombox.
First, visit your website (hidden link) and check for any visible issues. Next, visit the page where the error was caught (hidden link) and check for any visible issues.
Please contact your host for assistance with investigating this issue further.
If your site appears broken and you can't access your dashboard normally, WordPress now has a special "recovery mode". This lets you safely login to your dashboard and investigate further.
hidden link
To keep your site safe, this link will expire in 1 day. Don't worry about that, though: a new link will be emailed to you if the error occurs again after it expires.
When seeking help with this issue, you may be asked for some of the following information:
WordPress version 5.4
Current theme: Boombox Child (version 2.5.5.1554370540)
Current plugin: (version )
PHP version 7.3.16
Error Details
=============
An error of type E_ERROR was caused in line 187 of the file /home/forexpen/public_html/wp-content/themes/boombox/includes/libs/all-in-one-meta/core/classes/class-aiom-post.php. Error message: Uncaught Error: Class 'AIOM_Renderer' not found in /home/forexpen/public_html/wp-content/themes/boombox/includes/libs/all-in-one-meta/core/classes/class-aiom-post.php:187
Stack trace:
#0 /home/forexpen/public_html/wp-includes/class-wp-hook.php(287): AIOM_Post_Metabox->maybe_render_hash_field(Object(WP_Post))
#1 /home/forexpen/public_html/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#2 /home/forexpen/public_html/wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#3 /home/forexpen/public_html/wp-admin/edit-form-advanced.php(712): do_action('dbx_post_sideba...', Object(WP_Post))
#4 /home/forexpen/public_html/wp-admin/post-new.php(75): require('/home/forexpen/...')
#5 {main}
thrown
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What can I do now if I do not access to the theme developer contact?