启用wpjam之后网站提示出现致命错误 能帮忙看看是哪里出问题了吗

debug之后提示这个

Fatal error: Uncaught Error: Call to a member function get() on null in /home/yezeesco/public_html/wp-includes/query.php:28 Stack trace: #0 /home/yezeesco/public_html/wp-content/plugins/wpjam-basic/extends/wpjam-postviews.php(36): get_query_var('module') #1 /home/yezeesco/public_html/wp-includes/class-wp-hook.php(288): {closure}(Object(WP_Query)) #2 /home/yezeesco/public_html/wp-includes/class-wp-hook.php(312): WP_Hook->apply_filters(NULL, Array) #3 /home/yezeesco/public_html/wp-includes/plugin.php(544): WP_Hook->do_action(Array) #4 /home/yezeesco/public_html/wp-includes/class-wp-query.php(1757): do_action_ref_array('pre_get_posts', Array) #5 /home/yezeesco/public_html/wp-includes/class-wp-query.php(3413): WP_Query->get_posts() #6 /home/yezeesco/public_html/wp-includes/post.php(2039): WP_Query->query(Array) #7 /home/yezeesco/public_html/wp-content/plugins/woocommerce-memberships/includes/class-wc-memberships-user-memberships.php(322): get_posts(Array) #8 /home/yezeesco/public_html/wp-content/plugins/woocommerce-membership in /home/yezeesco/public_html/wp-includes/query.php on line 28