Salah Satu Penyebab Miss Schedule

[23-Apr-2017 02:19:31 UTC] WordPress database error Table 'pustakan_pk17new.wpkr_posts' doesn't exist for query SELECT ID, post_content, meta_id FROM wpkr_posts, wpkr_postmeta WHERE wpkr_posts.ID = wpkr_postmeta.post_id AND wpkr_postmeta.meta_key = '_pingme' LIMIT 1 made by do_action_ref_array, WP_Hook->do_action, WP_Hook->apply_filters, call_user_func_array, do_all_pings
[23-Apr-2017 02:19:31 UTC] WordPress database error Table 'pustakan_pk17new.wpkr_posts' doesn't exist for query SELECT ID, post_content, meta_id FROM wpkr_posts, wpkr_postmeta WHERE wpkr_posts.ID = wpkr_postmeta.post_id AND wpkr_postmeta.meta_key = '_encloseme' LIMIT 1 made by do_action_ref_array, WP_Hook->do_action, WP_Hook->apply_filters, call_user_func_array, do_all_pings
[23-Apr-2017 02:19:31 UTC] WordPress database error Table 'pustakan_pk17new.wpkr_posts' doesn't exist for query SELECT ID FROM wpkr_posts WHERE to_ping <> '' AND post_status = 'publish' made by do_action_ref_array, WP_Hook->do_action, WP_Hook->apply_filters, call_user_func_array, do_all_pings
[23-Apr-2017 02:19:32 UTC] WordPress database error Table 'pustakan_pk17new.wpkr_options' doesn't exist for query SELECT option_value FROM wpkr_options WHERE option_name = '_transient_doing_cron' LIMIT 1 made by _get_cron_lock