Fatal error: Uncaught Error: Object of class PostmanEmailAddress could not be converted to string in /var/www/grejspecialisten.dk/public_html/wp-content/plugins/check-email/include/Util/helper.php:75 Stack trace: #0 /var/www/grejspecialisten.dk/public_html/wp-content/plugins/check-email/include/Util/helper.php(75): implode(',', Array) #1 /var/www/grejspecialisten.dk/public_html/wp-content/plugins/check-email/include/Core/DB/Check_Email_Table_Manager.php(296): CheckEmail\Util\wp_chill_check_email_stringify(Array) #2 /var/www/grejspecialisten.dk/public_html/wp-content/plugins/check-email/include/Core/Check_Email_Logger.php(118): CheckEmail\Core\DB\Check_Email_Table_Manager->fetch_log_id_by_data(Array) #3 /var/www/grejspecialisten.dk/public_html/wp-content/plugins/check-email/include/Core/Check_Email_Logger.php(81): CheckEmail\Core\Check_Email_Logger->mark_email_log_as_failed(Array, '5.7.8 Error: au...') #4 /var/www/grejspecialisten.dk/public_html/wp-includes/class-wp-hook.php(308): CheckEmail\Core\Check_Email_Logger->on_ema in /var/www/grejspecialisten.dk/public_html/wp-content/plugins/check-email/include/Util/helper.php on line 75