( ! ) Warning: require(MediaWiki/output_buffer.php) [function.require]: failed to open stream: No such file or directory in /var/www/clients/client1/web1/web/wiki/LocalSettings.php on line 21
Call Stack
#	Time	Memory	Function	Location
1	0.0043	341040	{main}( )	../index.php:0
2	0.0123	637164	require( '/var/www/wiki/index.php' )	../index.php:8
3	0.0134	682972	require_once( '/var/www/wiki/includes/WebStart.php' )	../index.php:58
4	0.0197	868972	require_once( '/var/www/clients/client1/web1/web/wiki/LocalSettings.php' )	../WebStart.php:116

( ! ) Warning: Cannot modify header information - headers already sent by (output started at /var/www/clients/client1/web1/web/wiki/LocalSettings.php:21) in Unknown on line 0
Call Stack
#	Time	Memory	Function	Location
1	0.0043	341040	{main}( )	../index.php:0
2	0.0123	637164	require( '/var/www/wiki/index.php' )	../index.php:8
3	0.0134	682972	require_once( '/var/www/wiki/includes/WebStart.php' )	../index.php:58
4	0.0197	868972	require_once( '/var/www/clients/client1/web1/web/wiki/LocalSettings.php' )	../WebStart.php:116