My web host said there was no error log in my account but here’s the server log:
[Mon May 05 15:42:15 2014] [error] [client 70.29.66.55] content_lenfth_filter: responce body leng => 136000, max 131072, server niksavtchenko.com URI: /wp-admin/load-styles.php?c=0&dir=ltr&load=dashicons,admin-bar,wp-admin,buttons,wp-auth-check&ver=3.9, referer: http://niksavtchenko.com/wp-admin/
[Mon May 05 15:42:15 2014] [error] [client 70.29.66.55] content_lenfth_filter: responce body leng => 136000, max 131072, server niksavtchenko.com URI: /wp-admin/load-scripts.php?c=0&load%5B%5D=hoverIntent,common,admin-bar,wp-ajax-response,jquery-color,wp-lists,quicktags,jquery-query,admin-comments,jquery-ui-core,jquery-&load%5B%5D=ui-widget,jquery-ui-mouse,jquery-ui-sortable,postbox,dashboard,customize-base,customize-loader,thickbox,plugin-install,underscor&load%5B%5D=e,shortcode,media-upload,svg-painter,heartbeat,wp-auth-check,word-count,wplink&ver=3.9, referer: http://niksavtchenko.com/wp-admin/
[Mon May 05 15:48:25 2014] [error] [client 70.29.66.55] content_lenfth_filter: responce body leng => 134453, max 131072, server niksavtchenko.com URI: /wp-admin/load-scripts.php?c=1&load%5B%5D=hoverIntent,common,admin-bar,schedule,wp-ajax-response,autosave,jquery-color,wp-lists,quicktags,jquery-query,admin-comments,sugg&load%5B%5D=est,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-sortable,postbox,heartbeat,post,thickbox,underscore,shortcode,back&load%5B%5D=bone,wp-util,wp-backbone,media-models,wp-plupload,mediaelement,wp-mediaelement,media-views,media-editor,media-audiovideo,wp-play&load%5B%5D=list,mce-view,imgareaselect,image-edit,svg-painter,wp-auth-check,word-count,editor,wplink,wp-fullscreen,media-upload&ver=3.9, referer: http://niksavtchenko.com/wp-admin/post.php?post=7&action=edit&message=6
[Tue May 06 11:35:24 2014] [error] [client 70.29.66.55] content_lenfth_filter: responce body leng => 134453, max 131072, server niksavtchenko.com URI: /wp-admin/load-scripts.php?c=1&load%5B%5D=hoverIntent,common,admin-bar,schedule,wp-ajax-response,autosave,jquery-color,wp-lists,quicktags,jquery-query,admin-comments,sugg&load%5B%5D=est,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-sortable,postbox,heartbeat,post,thickbox,underscore,shortcode,back&load%5B%5D=bone,wp-util,wp-backbone,media-models,wp-plupload,mediaelement,wp-mediaelement,media-views,media-editor,media-audiovideo,wp-play&load%5B%5D=list,mce-view,imgareaselect,image-edit,svg-painter,wp-auth-check,word-count,editor,wplink,wp-fullscreen,media-upload&ver=3.9, referer: http://niksavtchenko.com/wp-admin/post.php?post=303&action=edit&message=1
[Tue May 06 21:26:30 2014] [error] [client 70.29.66.55] Handler for (null) returned invalid result code 70014, referer: http://niksavtchenko.com/wp-admin/post-new.php?post_type=portfolio
[Wed May 07 13:48:44 2014] [error] mod_hostinglimits:Error on LVE enter: LVE(1315) HANDLER(application/x-httpd-php5) HOSTNAME(niksavtchenko.com) URL(/index.php) TID(1013524) errno (7) Read more: http://e.cloudlinux.com/MHL-E2BIG
[Wed May 07 13:48:44 2014] [error] mod_hostinglimits:Error on LVE enter: LVE(1315) HANDLER(application/x-httpd-php5) HOSTNAME(niksavtchenko.com) URL(/index.php) TID(1013721) errno (7) Read more: http://e.cloudlinux.com/MHL-E2BIG
[Wed May 07 13:48:44 2014] [error] mod_hostinglimits:Error on LVE enter: LVE(1315) HANDLER(application/x-httpd-php5) HOSTNAME(niksavtchenko.com) URL(/index.php) TID(1013526) errno (7) Read more: http://e.cloudlinux.com/MHL-E2BIG
[Wed May 07 13:48:44 2014] [error] mod_hostinglimits:Error on LVE enter: LVE(1315) HANDLER(application/x-httpd-php5) HOSTNAME(niksavtchenko.com) URL(/index.php) TID(1018075) errno (7) Read more: http://e.cloudlinux.com/MHL-E2BIG
[Wed May 07 13:48:44 2014] [error] mod_hostinglimits:Error on LVE enter: LVE(1315) HANDLER(application/x-httpd-php5) HOSTNAME(niksavtchenko.com) URL(/index.php) TID(1013623) errno (7) Read more: http://e.cloudlinux.com/MHL-E2BIG
[Moderator Note: Please post log files between backticks or use the code button.]