Wordpress Error Log hatası

Merhaba arkadaşlar sürekli bu hatayı alıyorum bunun çözümü nedir yardımlarınız için şimdiden teşekkür ederim.

[13-Aug-2016 23:16:34 UTC] PHP Warning: array_unshift() expects parameter 1 to be array, string given in /home/site/public_html/wp-includes/class-wp-xmlrpc-server.php on line 596
[14-Aug-2016 01:22:27 UTC] PHP Warning: array_unshift() expects parameter 1 to be array, string given in /home/site/public_html/wp-includes/class-wp-xmlrpc-server.php on line 596
[14-Aug-2016 01:47:52 UTC] PHP Warning: array_unshift() expects parameter 1 to be array, string given in /home/site/public_html/wp-includes/class-wp-xmlrpc-server.php on line 596
[14-Aug-2016 03:05:55 UTC] PHP Warning: array_unshift() expects parameter 1 to be array, string given in /home/site/public_html/wp-includes/class-wp-xmlrpc-server.php on line 596
[14-Aug-2016 03:45:07 UTC] PHP Warning: array_unshift() expects parameter 1 to be array, string given in /home/site/public_html/wp-includes/class-wp-xmlrpc-server.php on line 596
[14-Aug-2016 05:29:30 UTC] PHP Warning: array_unshift() expects parameter 1 to be array, string given in /home/site/public_html/wp-includes/class-wp-xmlrpc-server.php on line 596
[14-Aug-2016 06:22:23 UTC] PHP Warning: array_unshift() expects parameter 1 to be array, string given in /home/site/public_html/wp-includes/class-wp-xmlrpc-server.php on line 596


wordpress de genel sorun var heralde benım wp tabanlı sıtemede giriş sağlanamıyor



Warning: require_once(/home/ws/public_html/wp-includes/class-oembed.php): failed to open stream: No such file or directory in /home/ws/public_html/wp-includes/embed.php on line 115

Fatal error: require_once(): Failed opening required '/home/ws/public_html/wp-includes/class-oembed.php' (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/ws/public_html/wp-includes/embed.php on line 115

şeklinde hata aldım