"Error 500" bei nur einer Domain

[DaSilva]

Habe keine Einträge in den Logs gefunden.
Von Apache selber habe ich gar keine Logdatei (normal?).
Nur in der domain.de-traf.log folgendes:

Quote:12.34.56.78 - - [18/Mar/2009:22:46:48 +0100] "GET / HTTP/1.1" 500 1148 "-" "Mozilla/5.0 (Windows; U; Windows NT 6.0; de; rv:1.9.0.6) Gecko/2009011913 Firefox/3.0.6"
12.34.56.78 - - [18/Mar/2009:22:47:09 +0100] "GET /errors/inc/errordocs.js HTTP/1.1" 200 260 "http://www.domain.de/" "Mozilla/5.0 (Windows; U; Windows NT 6.0; de; rv:1.9.0.6) Gecko/2009011913 Firefox/3.0.6"
12.34.56.78 - - [18/Mar/2009:22:47:09 +0100] "GET /errors/inc/errordocs.css HTTP/1.1" 200 1039 "http://www.domain.de/" "Mozilla/5.0 (Windows; U; Windows NT 6.0; de; rv:1.9.0.6) Gecko/2009011913 Firefox/3.0.6"
12.34.56.78 - - [18/Mar/2009:22:47:09 +0100] "GET /errors/inc/error_top.jpg HTTP/1.1" 200 6244 "http://www.domain.de/errors/inc/errordocs.css" "Mozilla/5.0 (Windows; U; Windows NT 6.0; de; rv:1.9.0.6) Gecko/2009011913 Firefox/3.0.6"
12.34.56.78 - - [18/Mar/2009:22:47:09 +0100] "GET /errors/inc/valid_css.jpg HTTP/1.1" 200 1754 "http://www.domain.de/" "Mozilla/5.0 (Windows; U; Windows NT 6.0; de; rv:1.9.0.6) Gecko/2009011913 Firefox/3.0.6"
12.34.56.78 - - [18/Mar/2009:22:47:09 +0100] "GET /errors/inc/valid_xhtml.jpg HTTP/1.1" 200 1783 "http://www.domain.de/" "Mozilla/5.0 (Windows; U; Windows NT 6.0; de; rv:1.9.0.6) Gecko/2009011913 Firefox/3.0.6"
12.34.56.78 - - [18/Mar/2009:22:47:09 +0100] "GET /favicon.ico HTTP/1.1" 404 1141 "-" "Mozilla/5.0 (Windows; U; Windows NT 6.0; de; rv:1.9.0.6) Gecko/2009011913 Firefox/3.0.6"
12.34.56.78 - - [18/Mar/2009:22:47:12 +0100] "GET /favicon.ico HTTP/1.1" 404 1141 "-" "Mozilla/5.0 (Windows; U; Windows NT 6.0; de; rv:1.9.0.6) Gecko/2009011913 Firefox/3.0.6"
12.34.56.78 - - [18/Mar/2009:22:47:27 +0100] "GET / HTTP/1.1" 500 1148 "-" "Mozilla/5.0 (Windows; U; Windows NT 6.0; de; rv:1.9.0.6) Gecko/2009011913 Firefox/3.0.6"
12.34.56.78 - - [18/Mar/2009:22:47:48 +0100] "GET /errors/inc/errordocs.js HTTP/1.1" 304 - "http://www.domain.de/" "Mozilla/5.0 (Windows; U; Windows NT 6.0; de; rv:1.9.0.6) Gecko/2009011913 Firefox/3.0.6"
12.34.56.78 - - [18/Mar/2009:22:47:48 +0100] "GET /errors/inc/errordocs.css HTTP/1.1" 304 - "http://www.domain.de/" "Mozilla/5.0 (Windows; U; Windows NT 6.0; de; rv:1.9.0.6) Gecko/2009011913 Firefox/3.0.6"
12.34.56.78 - - [18/Mar/2009:22:47:48 +0100] "GET /errors/inc/error_top.jpg HTTP/1.1" 304 - "http://www.domain.de/errors/inc/errordocs.css" "Mozilla/5.0 (Windows; U; Windows NT 6.0; de; rv:1.9.0.6) Gecko/2009011913 Firefox/3.0.6"
12.34.56.78 - - [18/Mar/2009:22:47:48 +0100] "GET /errors/inc/valid_css.jpg HTTP/1.1" 304 - "http://www.domain.de/" "Mozilla/5.0 (Windows; U; Windows NT 6.0; de; rv:1.9.0.6) Gecko/2009011913 Firefox/3.0.6"
12.34.56.78 - - [18/Mar/2009:22:47:48 +0100] "GET /errors/inc/valid_xhtml.jpg HTTP/1.1" 304 - "http://www.domain.de/" "Mozilla/5.0 (Windows; U; Windows NT 6.0; de; rv:1.9.0.6) Gecko/2009011913 Firefox/3.0.6"
12.34.56.78 - - [18/Mar/2009:22:48:06 +0100] "GET / HTTP/1.1" 500 1148 "-" "Mozilla/5.0 (Windows; U; Windows NT 6.0; de; rv:1.9.0.6) Gecko/2009011913 Firefox/3.0.6"
12.34.56.78 - - [18/Mar/2009:22:48:08 +0100] "GET / HTTP/1.1" 500 1148 "-" "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; .NET CLR 1.1.4322; .NET CLR 3.0.04506)"
12.34.56.78 - - [18/Mar/2009:22:48:30 +0100] "GET /errors/inc/errordocs.js HTTP/1.1" 200 260 "http://www.domain.de/" "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; .NET CLR 1.1.4322; .NET CLR 3.0.04506)"
12.34.56.78 - - [18/Mar/2009:22:48:30 +0100] "GET /errors/inc/errordocs.css HTTP/1.1" 200 1039 "http://www.domain.de/" "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; .NET CLR 1.1.4322; .NET CLR 3.0.04506)"
12.34.56.78 - - [18/Mar/2009:22:48:30 +0100] "GET /errors/inc/valid_css.jpg HTTP/1.1" 200 1754 "http://www.domain.de/" "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; .NET CLR 1.1.4322; .NET CLR 3.0.04506)"
12.34.56.78 - - [18/Mar/2009:22:48:30 +0100] "GET /errors/inc/valid_xhtml.jpg HTTP/1.1" 200 1783 "http://www.domain.de/" "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; .NET CLR 1.1.4322; .NET CLR 3.0.04506)"
12.34.56.78 - - [18/Mar/2009:22:48:30 +0100] "GET /errors/inc/error_top.jpg HTTP/1.1" 200 6244 "http://www.domain.de/" "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; .NET CLR 1.1.4322; .NET CLR 3.0.04506)"
12.34.56.78 - - [18/Mar/2009:22:49:15 +0100] "GET / HTTP/1.1" 500 1148 "-" "Mozilla/5.0 (Windows; U; Windows NT 6.0; de; rv:1.9.0.6) Gecko/2009011913 Firefox/3.0.6"

Debian Etch AMD64, ispCP 1.0.0, PHP 5.2.9, Apache 2.2.3