Fatal error: Uncaught Error: Call to a member function get() on null in /home2/hcmtumsc/domains/fapool.ir/public_html/wp-includes/query.php:28 Stack trace: #0 /home2/hcmtumsc/domains/fapool.ir/public_html/wp-content/plugins/dokan/classes/rewrites.php(227): get_query_var('store') #1 /home2/hcmtumsc/domains/fapool.ir/public_html/wp-includes/class-wp-hook.php(298): Dokan_Rewrites->store_query_filter(Object(WP_Query)) #2 /home2/hcmtumsc/domains/fapool.ir/public_html/wp-includes/class-wp-hook.php(323): WP_Hook->apply_filters(NULL, Array) #3 /home2/hcmtumsc/domains/fapool.ir/public_html/wp-includes/plugin.php(515): WP_Hook->do_action(Array) #4 /home2/hcmtumsc/domains/fapool.ir/public_html/wp-includes/class-wp-query.php(1683): do_action_ref_array('pre_get_posts', Array) #5 /home2/hcmtumsc/domains/fapool.ir/public_html/wp-includes/class-wp-query.php(3248): WP_Query->get_posts() #6 /home2/hcmtumsc/domains/fapool.ir/public_html/wp-includes/post.php(1689): WP_Query->query(Array) #7 /home2/hcmtumsc/domains/fapool.ir/public_html/wp-co in /home2/hcmtumsc/domains/fapool.ir/public_html/wp-includes/query.php on line 28