some members geting server error

[forsanelhaq]

try post new thread

http://www.####.com/forumdisplay.php?f=232



this message appear to me



Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator, webmaster@q.com and inform them of the time the error occurred, and anything you might have done that may have caused the error.

More information about this error may be available in the server error log.

Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.



when i search and contact with support third party vbulletin they told me that this problem in server configuration

and told me look at logs to know what problem



please let me know what is problem and solve it
this logs
[Wed Oct 29 16:06:12 2014] [error] [client 209.50.226.20] Premature end of script headers: newthread.php, referer: http://www.###.com/login.php?do=login