WOW!! บอกแล้ว เรียนภาษาไม่แพงอย่างที่คิด
id was set in the arguments array for the "Displayed Everywhere" sidebar. Defaulting to "sidebar-1". Manually set the id to "sidebar-1" to silence this notice and keep existing sidebar content. Please see Debugging in WordPress for more information. (This message was added in version 4.2.0.) in /customers/a/8/3/aeg-education.com/httpd.www/wp-includes/functions.php on line 4990