Fatal error: Uncaught Error: Call to a member function set() on null in /customers/e/a/1/deborah-emrath.de/httpd.www/wp-includes/l10n.php:784
Stack trace:
#0 /customers/e/a/1/deborah-emrath.de/httpd.www/wp-includes/l10n.php(872): load_textdomain('default', '/customers/e/a/...', 'de_DE_formal')
#1 /customers/e/a/1/deborah-emrath.de/httpd.www/wp-settings.php(536): load_default_textdomain()
#2 /customers/e/a/1/deborah-emrath.de/httpd.www/wp-config.php(95): require_once('/customers/e/a/...')
#3 /customers/e/a/1/deborah-emrath.de/httpd.www/wp-load.php(50): require_once('/customers/e/a/...')
#4 /customers/e/a/1/deborah-emrath.de/httpd.www/wp-blog-header.php(13): require_once('/customers/e/a/...')
#5 /customers/e/a/1/deborah-emrath.de/httpd.www/index.php(17): require('/customers/e/a/...')
#6 {main}
  thrown in /customers/e/a/1/deborah-emrath.de/httpd.www/wp-includes/l10n.php on line 784

Fatal error: Uncaught Error: Call to a member function set() on null in /customers/e/a/1/deborah-emrath.de/httpd.www/wp-includes/l10n.php:784
Stack trace:
#0 /customers/e/a/1/deborah-emrath.de/httpd.www/wp-includes/l10n.php(872): load_textdomain('default', '/customers/e/a/...', 'de_DE_formal')
#1 /customers/e/a/1/deborah-emrath.de/httpd.www/wp-includes/class-wp-fatal-error-handler.php(47): load_default_textdomain()
#2 [internal function]: WP_Fatal_Error_Handler->handle()
#3 {main}
  thrown in /customers/e/a/1/deborah-emrath.de/httpd.www/wp-includes/l10n.php on line 784