fatal-errors Uncaught Error

I found this error logs in woocommerce >> status >> logs.

2020-08-09T07:29:36+00:00 CRITICAL Uncaught Error: Cannot use object of type WP_Error as array in /home/xxxxxx/public_html/wp-content/plugins/wc-sslcommerz-easycheckout/lib/sslcommerz-class.php:413
Stack trace:
#0 /home/atikurr1/public_html/wp-includes/class-wp-hook.php(287): WC_sslcommerz->check_sslcommerz_response('')
#1 /home/atikurr1/public_html/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters('', Array)
#2 /home/atikurr1/public_html/wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#3 /home/atikurr1/public_html/wp-content/plugins/woocommerce/includes/class-wc-api.php(148): do_action('woocommerce_api...')
#4 /home/atikurr1/public_html/wp-includes/class-wp-hook.php(287): WC_API->handle_api_requests(Object(WP))
#5 /home/atikurr1/public_html/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#6 /home/atikurr1/public_html/wp-includes/plugin.php(544): WP_Hook->do_action(Array)
#7 /home/atikurr1/public_html/wp-includes/class-wp.php(388): do_action_ref_array('parse_request', Array)
#8 /home/xxxxx/public_ht in /home/xxxxx/public_html/wp-content/plugins/wc-sslcommerz-easycheckout/lib/sslcommerz-class.php on line 413