WordPress can detect errors with plugins

E-mail from WordPress:

Hi!

Starting from version 5.2, WordPress can detect errors with plugins or a theme on the site and send you similar messages automatically.

This time WordPress found an error with one of the plugins – WP Cerber Security, Antispam & Malware Scan …. Please contact the hosting technical support for further diagnosis of this problem ….. To solve the problem, you will need the following information:
WordPress version 5.8.2
Current Theme: Divi (version 4.11.3)
Problematic Plugin: WP Cerber Security, Anti-spam & Malware Scan (version 8.9.3)
PHP version 8.0.10

Error Details
An error with the E_ERROR type occurred on line 291 of the file:

/var/www/ … /wp-content/plugins/wp-cerber/admin/cerber-tools.php.
Error Message: Uncaught TypeError: strip_tags(): Argument #1 ($string) must be of type string, array given in /var/www/ … /wp-content/plugins/wp-cerber/admin/cerber-tools.php:291
Stack trace:
#0 /var/www/ … /wp-content/plugins/wp-cerber/admin/cerber-tools.php(291): strip_tags(Array)
#1 /var/www/ … /wp-content/plugins/wp-cerber/admin/cerber-dashboard.php(5331): cerber_show_diag()
#2 /var/www/ … /wp-content/plugins/wp-cerber/admin/cerber-dashboard.php(143): {closure}(‘diagnostic’)
#3 /var/www/ … /wp-content/plugins/wp-cerber/admin/cerber-dashboard.php(5106): cerber_show_admin_page(‘\xD0\x98\xD0\xBD\xD1\x81\xD1\x82\xD1\x80\xD1\x83\xD0\xBC\xD0…’, Array, ‘diagnostic’, Object(Closure))
#4 /var/www/ … /wp-includes/class-wp-hook.php(303): cerber_render_admin_page(”)
#5 /var/www/ … /wp-includes/class-wp-hook.php(327): WP_Hook->apply_filters(”, Array)
#6 /var/www/ … /wp-includes/plugin.php(470): WP_Hook->do_action(Array)
#7 /var/www/ … /wp-admin/admin.php(259): do_action(‘wp-cerber_page_…’)
#8 {main}
thrown

My question is: what are my actions?
How should I treat this email from WordPress ?