Error on tdc_check_domain.php

Se ha producido un error del tipo E_ERROR en la línea 156 del archivo /var/www/html/wp-content/plugins/td-composer/includes/tdc_check_domain.php. Mensaje de error: Uncaught Error: Object of class WP_Error could not be converted to string in /var/www/html/wp-content/plugins/td-composer/includes/tdc_check_domain.php:156
Stack trace:
#0 /var/www/html/wp-content/plugins/td-composer/includes/tdc_check_domain.php(106): tdc_check_domain->check_domain()
#1 /var/www/html/wp-content/plugins/td-composer/includes/tdc_check_domain.php(41): tdc_check_domain->set_is_domain_active()
#2 /var/www/html/wp-content/plugins/td-composer/includes/tdc_check_domain.php(56): tdc_check_domain->__construct()
#3 /var/www/html/wp-content/plugins/td-composer/legacy/common/wp_booster/td_js.php(62): tdc_check_domain::init()
#4 /var/www/html/wp-content/plugins/td-composer/legacy/common/wp_booster/td_js.php(17): td_js->__construct()
#5 /var/www/html/wp-content/plugins/td-composer/legacy/common/wp_booster/td_js.php(657): td_js::get_instance()
#6 /var/www/html/wp-content/plugins/td-composer/legacy/common/wp_booster/td_wp_booster_functions.php(2758): require_once(‘/var/www/html/w…’)
#7 /var/www/html/wp-content/plugins/td-composer/legacy/Newspaper/functions.php(21): require_once(‘/var/www/html/w…’)
#8 /var/www/html/wp-content/plugins/td-composer/td-composer.php(191): require_once(‘/var/www/html/w…’)
#9 /var/www/html/wp-includes/class-wp-hook.php(324): {closure}(”)
#10 /var/www/html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(”, Array)
#11 /var/www/html/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#12 /var/www/html/wp-content/themes/Newspaper/includes/wp-booster/tagdiv-wp-booster-functions.php(3): do_action(‘td_wp_booster_l…’)
#13 /var/www/html/wp-content/themes/Newspaper/functions.php(19): require_once(‘/var/www/html/w…’)
#14 /var/www/html/wp-settings.php(672): include(‘/var/www/html/w…’)
#15 /var/www/html/wp-config.php(142): require_once(‘/var/www/html/w…’)
#16 /var/www/html/wp-load.php(50): require_once(‘/var/www/html/w…’)
#17 /var/www/html/wp-admin/admin-ajax.php(22): require_once(‘/var/www/html/w…’)
#18 {main}