MediaWiki internal error.

Original exception: exception 'MWException' with message 'Web server doesn't provide either REQUEST_URI or SCRIPT_NAME. Report details of your web server configuration to http://bugzilla.wikimedia.org/' in /var/www/production/html/mediawiki/1.13.1/includes/WebRequest.php:430
Stack trace:
#0 /var/www/production/html/mediawiki/1.13.1/includes/SkinTemplate.php(801): WebRequest->getRequestURL()
#1 /var/www/production/html/mediawiki/1.13.1/includes/SkinTemplate.php(435): SkinTemplate->buildContentActionUrls()
#2 /var/www/production/html/mediawiki/1.13.1/includes/OutputPage.php(821): SkinTemplate->outputPage(Object(OutputPage))
#3 /var/www/production/html/mediawiki/1.13.1/includes/Wiki.php(337): OutputPage->output()
#4 /var/www/production/html/mediawiki/1.13.1/index.php(94): MediaWiki->finalCleanup(Array, Object(OutputPage))
#5 {main}

Exception caught inside exception handler: exception 'MWException' with message 'Web server doesn't provide either REQUEST_URI or SCRIPT_NAME. Report details of your web server configuration to http://bugzilla.wikimedia.org/' in /var/www/production/html/mediawiki/1.13.1/includes/WebRequest.php:430
Stack trace:
#0 /var/www/production/html/mediawiki/1.13.1/includes/Exception.php(132): WebRequest->getRequestURL()
#1 /var/www/production/html/mediawiki/1.13.1/includes/Exception.php(167): MWException->getLogMessage()
#2 /var/www/production/html/mediawiki/1.13.1/includes/Exception.php(260): MWException->report()
#3 /var/www/production/html/mediawiki/1.13.1/includes/Exception.php(294): wfReportException(Object(MWException))
#4 [internal function]: wfExceptionHandler(Object(MWException))
#5 {main}