[SOLVED] 500 error on admin

[zekquel]

[Tue Feb 26 13:02:42 2008] [error] [client xxx.yyy.zzz.ccc] FastCGI: comm with server "/var/www/fcgi/master/php5-fcgi-starter" aborted: idle timeout (30 sec)
[Tue Feb 26 13:02:42 2008] [error] [client xxx.yyy.zzz.ccc] FastCGI: incomplete headers (0 bytes) received from server "/var/www/fcgi/master/php5-fcgi-starter"
[Tue Feb 26 16:10:11 2008] [error] [client xxx.yyy.zzz.ccc] (104)Connection reset by peer: FastCGI: comm with server "/var/www/fcgi/master/php5-fcgi-starter"aborted: read failed, referer: http://admin.mydomain.tld/
[Tue Feb 26 16:10:41 2008] [error] [client xxx.yyy.zzz.ccc] FastCGI: comm with server "/var/www/fcgi/master/php5-fcgi-starter" aborted: idle timeout (30 sec), referer: http://admin.mydomain.tld/
[Tue Feb 26 16:10:41 2008] [error] [client xxx.yyy.zzz.ccc] FastCGI: incomplete headers (0 bytes) received from server "/var/www/fcgi/master/php5-fcgi-starter", referer: http://admin.mydomain.tld/
[Tue Feb 26 16:18:23 2008] [error] [client xxx.yyy.zzz.ccc] FastCGI: comm with server "/var/www/fcgi/master/php5-fcgi-starter" aborted: idle timeout (30 sec), referer: http://admin.mydomain.tld/
[Tue Feb 26 16:18:23 2008] [error] [client xxx.yyy.zzz.ccc] FastCGI: incomplete headers (0 bytes) received from server "/var/www/fcgi/master/php5-fcgi-starter", referer: http://admin.mydomain.tld/
[Tue Feb 26 16:20:46 2008] [error] [client xxx.yyy.zzz.ccc] FastCGI: comm with server "/var/www/fcgi/master/php5-fcgi-starter" aborted: idle timeout (30 sec), referer: http://admin.mydomain.tld/
[Tue Feb 26 16:20:46 2008] [error] [client xxx.yyy.zzz.ccc] FastCGI: incomplete headers (0 bytes) received from server "/var/www/fcgi/master/php5-fcgi-starter", referer: http://admin.mydomain.tld/