Notice: register_sidebar was called incorrectly. No 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/plainjan/public_html/blog/wp-includes/functions.php on line 4138

Fatal error: Cannot redeclare unregister_setting() (previously declared in /home/plainjan/public_html/blog/wp-includes/option.php:1939) in /home/plainjan/public_html/blog/wp-admin/includes/plugin.php on line 1000