[急]bugzilla安装报错，请教各位前辈

gzcq

安装时提示这样的错误，不知道是什么原因呢，有人可以指点下吗！

CGI Error
The specified CGI application misbehaved by not returning a complete set of HTTP headers. The headers it did return are:


No value for param user_verify_class (try running checksetup.pl again) at Bugzilla/Config.pm line 182.
BEGIN failed--compilation aborted at Bugzilla/Auth.pm line 43.
Compilation failed in require at Bugzilla.pm line 28.
BEGIN failed--compilation aborted at Bugzilla.pm line 28.
Compilation failed in require at globals.pl line 799.
BEGIN failed--compilation aborted at globals.pl line 799.
Compilation failed in require at D:\wwwroot\bugzilla\index.cgi line 33.

gzcq

顶啊，有无人帮忙啊