id
was set in the arguments array for the "Sidebar 1" 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 /home/maneevw80/domains/rijbewijscentrum-rijschool-rotterdam.nl/public_html/wp-includes/functions.php on line 5905