Current version 2024.1 sometimes triggers a WP technical problem report

The current version 2024.1 of Stop Spammers sometimes seems to trigger a WP technical problem report email, but I have not seen anything wrong in the back end or front end.

I have 2 reports and they differ:

An error of type E_ERROR was caused in line 996 of the file /wp-content/plugins/stop-spammer-registrations-plugin/settings/ss_diagnostics.php.
Error message: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, false given in /wp-content/plugins/stop-spammer-registrations-plugin/settings/ss_diagnostics.php:996
Stack trace:
#0 /wp-content/plugins/stop-spammer-registrations-plugin/settings/ss_diagnostics.php(948): ss_scan_for_eval()
#1 /wp-content/plugins/stop-spammer-registrations-plugin/settings/settings.php(191): require_once(‘…’)
#2 /wp-content/plugins/stop-spammer-registrations-plugin/settings/settings.php(177): include_setting()
#3 /wp-includes/class-wp-hook.php(324): ss_diagnostics()
#4 /wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#5 /wp-includes/plugin.php(517): WP_Hook->do_action()
#6 /wp-admin/admin.php(259): do_action()
#7 {main}
thrown

An error of type E_ERROR was caused in line 226 of the file /wp-content/plugins/stop-spammer-registrations-plugin/classes/ss_challenge.php.
Error message: Uncaught TypeError: Unsupported operand types: string + int in /wp-content/plugins/stop-spammer-registrations-plugin/classes/ss_challenge.php:226
Stack trace:
#0 /wp-content/plugins/stop-spammer-registrations-plugin/stop-spammer-registrations-new.php(653): ss_challenge->process()
#1 /wp-content/plugins/stop-spammer-registrations-plugin/stop-spammer-registrations-new.php(354): be_load()
#2 /wp-includes/class-wp-hook.php(324): ss_init()
#3 /wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#4 /wp-includes/plugin.php(517): WP_Hook->do_action()
#5 /wp-settings.php(643): do_action()
#6 /wp-config.php(109): require_once(‘…’)
#7 /wp-load.php(50): require_once(‘…’)
#8 /wp-login.php(12): require(‘…’)
#9 {main}
thrown