Log shows:
Warning: Undefined array key "view_limit" in Cleantalk\Custom\Firewall\Modules\AntiFlood->__construct() (line 64 of /home/kacbtnor/public_html/web/modules/contrib/cleantalk/lib/Cleantalk/Custom/Firewall/Modules/AntiFlood.php)
#0 /home/kacbtnor/public_html/web/core/includes/bootstrap.inc(164): _drupal_error_handler_real()
#1 /home/kacbtnor/public_html/web/modules/contrib/cleantalk/lib/Cleantalk/Custom/Firewall/Modules/AntiFlood.php(64): _drupal_error_handler()
#2 /home/kacbtnor/public_html/web/modules/contrib/cleantalk/src/CleantalkFuncs.php(860): Cleantalk\Custom\Firewall\Modules\AntiFlood->__construct()
#3 [internal function]: Drupal\cleantalk\CleantalkFuncs::apbct_sfw_ac__clear_table()
#4 /home/kacbtnor/public_html/web/modules/contrib/cleantalk/lib/Cleantalk/Common/Cron/Cron.php(340): call_user_func_array()
#5 /home/kacbtnor/public_html/web/modules/contrib/cleantalk/src/EventSubscriber/BootSubscriber.php(188): Cleantalk\Common\Cron\Cron->runTasks()
#6 /home/kacbtnor/public_html/web/core/lib/Drupal/Core/StackMiddleware/ReverseProxyMiddleware.php(48): Drupal\cleantalk\EventSubscriber\BootSubscriber->handle()
#7 /home/kacbtnor/public_html/web/core/lib/Drupal/Core/StackMiddleware/NegotiationMiddleware.php(51): Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle()
#8 /home/kacbtnor/public_html/web/core/lib/Drupal/Core/StackMiddleware/AjaxPageState.php(36): Drupal\Core\StackMiddleware\NegotiationMiddleware->handle()
#9 /home/kacbtnor/public_html/web/core/lib/Drupal/Core/StackMiddleware/StackedHttpKernel.php(51): Drupal\Core\StackMiddleware\AjaxPageState->handle()
#10 /home/kacbtnor/public_html/web/core/lib/Drupal/Core/DrupalKernel.php(704): Drupal\Core\StackMiddleware\StackedHttpKernel->handle()
#11 /home/kacbtnor/public_html/web/index.php(19): Drupal\Core\DrupalKernel->handle()
#12 {main}Active
9.4
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