Fatal error: Uncaught exception 'Exception' with message 'Serialization of 'Closure' is not allowed' in /home/.sites/660/site6861652/web/wp-includes/functions.php:486
Stack trace:
#0 /home/.sites/660/site6861652/web/wp-includes/functions.php(486): serialize(Array)
#1 /home/.sites/660/site6861652/web/wp-includes/option.php(312): maybe_serialize(Array)
#2 /home/.sites/660/site6861652/web/wp-content/plugins/cleantalk-spam-protect/lib/Cleantalk/ApbctWP/State.php(642): update_option('cleantalk_fw_st...', Array, true)
#3 /home/.sites/660/site6861652/web/wp-content/plugins/cleantalk-spam-protect/lib/Cleantalk/ApbctWP/Firewall/SFWUpdateHelper.php(507): Cleantalk\ApbctWP\State->save('fw_stats')
#4 /home/.sites/660/site6861652/web/wp-content/plugins/cleantalk-spam-protect/cleantalk.php(1232): Cleantalk\ApbctWP\Firewall\SFWUpdateHelper::directUpdate()
#5 [internal function]: apbct_sfw_update__init()
#6 /home/.sites/660/site6861652/web/wp-content/plugins/cleantalk-spam-protect/lib/Cleantalk/Common/Cron.php(266): call_user_func_array( in /home/.sites/660/site6861652/web/wp-includes/functions.php on line 486