Fatal error: Uncaught Error: Value of type null is not callable in /var/www/html/istatistik/wp-includes/class-wp-roles.php:1 Stack trace: #0 /var/www/html/istatistik/wp-settings.php(166): require() #1 /var/www/html/istatistik/wp-config.php(100): require_once('...') #2 /var/www/html/istatistik/wp-load.php(50): require_once('...') #3 /var/www/html/istatistik/wp-blog-header.php(13): require_once('...') #4 /var/www/html/istatistik/index.php(17): require('...') #5 {main} thrown in /var/www/html/istatistik/wp-includes/class-wp-roles.php on line 1

Fatal error: Uncaught Error: Call to a member function set() on null in /var/www/html/istatistik/wp-includes/l10n.php:807 Stack trace: #0 /var/www/html/istatistik/wp-includes/l10n.php(901): load_textdomain() #1 /var/www/html/istatistik/wp-includes/class-wp-fatal-error-handler.php(47): load_default_textdomain() #2 [internal function]: WP_Fatal_Error_Handler->handle() #3 {main} thrown in /var/www/html/istatistik/wp-includes/l10n.php on line 807