Warning: Undefined array key "jahr" in /home/httpd/vhosts/apd.media/httpdocs/php/lib/APD/repository/NewsgroupRepository.php on line 40

Warning: Attempt to read property "category" on null in /home/httpd/vhosts/apd.media/httpdocs/php/newsgroup.php on line 44

Warning: Attempt to read property "id" on null in /home/httpd/vhosts/apd.media/httpdocs/php/newsgroup.php on line 44

Warning: Attempt to read property "category" on null in /home/httpd/vhosts/apd.media/httpdocs/php/newsgroup.php on line 45

Fatal error: Uncaught Error: Attempt to modify property "articles" on null in /home/httpd/vhosts/apd.media/httpdocs/php/newsgroup.php:48
Stack trace:
#0 /home/httpd/vhosts/apd.media/httpdocs/index.php(67): include()
#1 {main}
  thrown in /home/httpd/vhosts/apd.media/httpdocs/php/newsgroup.php on line 48