Fatal error: Uncaught Error: Undefined constant "Cleantalk\ApbctWP\CURLOPT_USERAGENT" in /home/allen852427/public_html/wp-content/plugins/cleantalk-spam-protect/lib/Cleantalk/ApbctWP/Helper.php:43
Stack trace:
#0 /home/allen852427/public_html/wp-content/plugins/cleantalk-spam-protect/lib/Cleantalk/ApbctWP/Helper.php(172): Cleantalk\ApbctWP\Helper::httpRequest('https://www.mar...', Array, Array)
#1 /home/allen852427/public_html/wp-content/plugins/cleantalk-spam-protect/cleantalk.php(1539): Cleantalk\ApbctWP\Helper::httpRequestRcToHostTest('sfw_update__wor...', Array)
#2 /home/allen852427/public_html/wp-content/plugins/cleantalk-spam-protect/cleantalk.php(1464): apbct_sfw_update__switch_to_direct()
#3 [internal function]: apbct_sfw_update__init()
#4 /home/allen852427/public_html/wp-content/plugins/cleantalk-spam-protect/lib/Cleantalk/Common/Cron.php(268): call_user_func_array('apbct_sfw_updat...', Array)
#5 /home/allen852427/public_html/wp-content/plugins/cleantalk-spam-protect/cleantalk.php(261): Cleantalk\Common\Cron->runTasks(Array)
#6 /home/allen852427/public_html/wp-includes/class-wp-hook.php(324): {closure}('')
#7 /home/allen852427/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#8 /home/allen852427/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#9 /home/allen852427/public_html/wp-settings.php(704): do_action('init')
#10 /home/allen852427/public_html/wp-config.php(96): require_once('/home/allen8524...')
#11 /home/allen852427/public_html/wp-load.php(50): require_once('/home/allen8524...')
#12 /home/allen852427/public_html/wp-blog-header.php(13): require_once('/home/allen8524...')
#13 /home/allen852427/public_html/index.php(17): require('/home/allen8524...')
#14 {main}
thrown in /home/allen852427/public_html/wp-content/plugins/cleantalk-spam-protect/lib/Cleantalk/ApbctWP/Helper.php on line 43