Additional info from logs
[25-Jan-2018 11:40:52] WARNING: [removed] child 24959 said into stderr: “NOTICE: PHP message: PHP Fatal error: Uncaught Error: Call to undefined method wfWAFIPBlocksController::setNeedsSynchronizeConfigSettings() in removed/httpdocs/wp-content/plugins/wordfence/lib/wordfenceClass.php:648”
[25-Jan-2018 11:40:52] WARNING: [removed] child 24959 said into stderr: “Stack trace:”
[25-Jan-2018 11:40:52] WARNING: [removed] child 24959 said into stderr: “#0 removed/httpdocs/wp-content/plugins/wordfence/lib/wordfenceClass.php(1026): wordfence::runInstall()”
[25-Jan-2018 11:40:52] WARNING: [removed] child 24959 said into stderr: “#1 removed/httpdocs/wp-content/plugins/wordfence/wordfence.php(61): wordfence::install_actions()”
[25-Jan-2018 11:40:52] WARNING: [removed] child 24959 said into stderr: “#2 removed/httpdocs/wp-settings.php(305): include_once(‘/var/www/vhosts…’)”
[25-Jan-2018 11:40:52] WARNING: [removed] child 24959 said into stderr: “#3 removed/httpdocs/wp-config.php(80): require_once(‘/var/www/vhosts…’)”
[25-Jan-2018 11:40:52] WARNING: [removed] child 24959 said into stderr: “#4 removed/httpdocs/wp-load.php(37): require_once(‘/var/www/vhosts…’)”
[25-Jan-2018 11:40:52] WARNING: [removed] child 24959 said into stderr: “#5 removed/httpdocs/wp-admin/admin-ajax.php(22): require_once(‘/var/www/vhosts…’)”
[25-Jan-2018 11:40:52] WARNING: [removed] child 24959 said into stderr: “#6 {main}”
[25-Jan-2018 11:40:52] WARNING: [removed] child 24959 said into stderr: ” thrown in removed/httpdocs/wp-content/plugins/wordfence/lib/wordfenceClass.php on line 648″
[25-Jan-2018 12:00:49] WARNING: [removed] child 25264 said into stderr: “NOTICE: PHP message: WordPress databasefout Unknown column ‘lastUpdated’ in ‘field list’ bij query select MAX(lastUpdated) from [replaced]_wfIssues gemaakt door do_action(‘wp_ajax_wordfence_activityLogUpdate’), WP_Hook->do_action, WP_Hook->apply_filters, wordfence::ajaxReceiver, wordfence::ajax_activityLogUpdate_callback, wfIssues->getLastIssueUpdateTimestamp, wfDB->querySingle”
[25-Jan-2018 12:01:04] WARNING: [removed] child 25263 said into stderr: “NOTICE: PHP message: WordPress databasefout Unknown column ‘lastUpdated’ in ‘field list’ bij query select MAX(lastUpdated) from [replaced]_wfIssues gemaakt door do_action(‘wp_ajax_wordfence_activityLogUpdate’), WP_Hook->do_action, WP_Hook->apply_filters, wordfence::ajaxReceiver, wordfence::ajax_activityLogUpdate_callback, wfIssues->getLastIssueUpdateTimestamp, wfDB->querySingle”
[25-Jan-2018 12:01:19] WARNING: [removed] child 25264 said into stderr: “NOTICE: PHP message: WordPress databasefout Unknown column ‘lastUpdated’ in ‘field list’ bij query select MAX(lastUpdated) from [replaced]_wfIssues gemaakt door do_action(‘wp_ajax_wordfence_activityLogUpdate’), WP_Hook->do_action, WP_Hook->apply_filters, wordfence::ajaxReceiver, wordfence::ajax_activityLogUpdate_callback, wfIssues->getLastIssueUpdateTimestamp, wfDB->querySingle”
[25-Jan-2018 12:45:22] WARNING: [removed] child 26482 said into stderr: “NOTICE: PHP message: WordPress databasefout Unknown column ‘lastUpdated’ in ‘field list’ bij query select MAX(lastUpdated) from [replaced]_wfIssues gemaakt door do_action(‘wp_ajax_wordfence_activityLogUpdate’), WP_Hook->do_action, WP_Hook->apply_filters, wordfence::ajaxReceiver, wordfence::ajax_activityLogUpdate_callback, wfIssues->getLastIssueUpdateTimestamp, wfDB->querySingle”