Fatal error: Uncaught Error: Call to a member function get() on null in /home/tamirat3/public_html/wp-content/plugins/wp-persian/includes/class-wpp-hooks.php:403 Stack trace: #0 /home/tamirat3/public_html/wp-includes/class-wp-hook.php(286): WPP_Hooks::wpp_jalali_query(' AND wp_posts.p...', Object(WP_Query)) #1 /home/tamirat3/public_html/wp-includes/plugin.php(251): WP_Hook->apply_filters(' AND wp_posts.p...', Array) #2 /home/tamirat3/public_html/wp-includes/class-wp-query.php(2535): apply_filters_ref_array('posts_where', Array) #3 /home/tamirat3/public_html/wp-includes/class-wp-query.php(3403): WP_Query->get_posts() #4 /home/tamirat3/public_html/wp-includes/class-wp-query.php(3512): WP_Query->query(Array) #5 /home/tamirat3/public_html/wp-content/plugins/notificationx/extensions/form/class-cf7.php(91): WP_Query->__construct(Array) #6 /home/tamirat3/public_html/wp-content/plugins/notificationx/extensions/form/class-cf7.php(118): NotificationX_CF7_Extension->cf7_forms() #7 /home/tamirat3/public_html/wp-content/plugins/notifi in /home/tamirat3/public_html/wp-content/plugins/wp-persian/includes/class-wpp-hooks.php on line 403