Hallo,
Die Google Webmaster Konsole zeigt mir folgende 500er Fehler
http://foo.bar/wp-includes/wi…et-calendar.php
http://foo.bar/wp-includes/wi…nt-comments.php
http://foo.bar/wp-includes/class-walker-category.php
http://foo.bar/wp-includes/class-wp-image-editor-imagick.php
http://foo.bar/wp-includes/class-walker-page-dropdown.php
http://foo.bar/wp-includes/cl…ry-dropdown.php
In den ServerLogs tauchten diese zughörigen Fehlermeldungen auf:
[Wed Jun 07 11:20:41.308518 2017] [fcgid:warn] mod_fcgid: stderr: PHP Fatal error: Class 'WP_Widget' not found in web/wp-includes/widgets/class-wp-widget-recent-comments.php on line 17
[Wed Jun 07 11:20:41.339459 2017] [fcgid:warn] [pid 29822] [client 88.99.75.155:46165] mod_fcgid: stderr: PHP Fatal error: Class 'Walker' not found in web/wp-includes/class-walker-category.php on line 17
[Wed Jun 07 11:20:41.368773 2017] [fcgid:warn] [pid 29840] [client 88.99.75.155:46166] mod_fcgid: stderr: PHP Fatal error: Class 'WP_Image_Editor' not found in [...]web/wp-includes/class-wp-image-editor-imagick.php on line 17
[Wed Jun 07 11:20:41.401379 2017] [fcgid:warn] [pid 29824] [client 88.99.75.155:46167] mod_fcgid: stderr: PHP Fatal error: Uncaught Error: Call to undefined function _deprecated_file() in [...]web/wp-includes/rss.php:19
[Wed Jun 07 11:20:41.444443 2017] [fcgid:warn] [pid 29832] [client 88.99.75.155:46168] mod_fcgid: stderr: PHP Fatal error: Class 'Walker' not found in [...]web/wp-includes/class-walker-page-dropdown.php on line 17
[Wed Jun 07 11:20:46.491006 2017] [fcgid:warn] [pid 29874] [client 88.99.75.155:46169] mod_fcgid: stderr: PHP Fatal error: Uncaught Error: Call to undefined function add_filter() in [...]web/wp-includes/default-filters.php:17
Obige Fehler tauchen auf verschiedenen Wordpress-Installationen von mir auf. Im der Sache auf den Grund zu gehen, habe ich eine komplette Neuinstallantion Ver. 4.75 'on scratch' mit Standardtemplate und ohne Plugins aufgesetzt, mit den genau gleichen Fehlermeldungen.