or download this
:Simple::ActiveDirectory::authenticate was an 'undef', which is not on
+e of the allowed types: scalar
at C:/Strawberry/perl/site/lib/Authen/Simple/Adapter.pm line 42, <DAT
+A> line 755.
Authen::Simple::Adapter::authenticate(undef, undef, undef) cal
+led at C:\Users\Documents\Perl\webapp\bin\app.psgi line 26
...
Plack::Runner::__ANON__() called at C:/Strawberry/perl/site/li
+b/Plack/Loader.pm line 55
Plack::Loader::preload_app(Plack::Loader=HASH(0x65aa50), CODE(
+0x2ca34c0)) called at C:/Strawberry/perl/site/lib/Plack/Runner.pm lin
+e 276
Plack::Runner::run(Plack::Runner=HASH(0x11aa248)) called at C:
+\Strawberry\perl\site\bin/plackup line 7