Warning: session_name(): Cannot change session name when headers already sent in /var/home/angelika_at/apart_angelika/libraries/joomla/session/handler/native.php on line 128

Warning: session_cache_limiter(): Cannot change cache limiter when headers already sent in /var/home/angelika_at/apart_angelika/libraries/joomla/session/handler/native.php on line 235
Error: Failed to start application: Failed to start the session because headers have already been sent by "/var/home/angelika_at/apart_angelika/index.php" at line 1.