Uncaught Exception A software error was encountered that prevents normal operation

[Peter Schober]

* Alexandre Adao <alexadao at gmail.com> [2018-04-27 00:07]:
> Hello,  I am a novice on shibboleth. I am running on Windows Server 2016
> Standard. I have completed successfully the install and created the
> Metadata.  I configured the TestShib with no issues. However, when I
> actually do the test. I have the following error
> [...]
> No flow model 'authn/conditions' found

So you just installed the Shibboleth IDP as per the Shibboleth
documentation? Did you use someone else's documentation?
Did you configure anything beyond metadata and local authentcation?
-peter