Shibboleth Artifact Binding : Inbound message issuer was not authenticated

[Peter Schober]

* Indunil Rathnayake <indunil.uom at gmail.com> [2018-04-27 06:57]:
> Thanks a lot for your quick response. Yeah I have gone through the google
> search results, but couldn't find an exact reason for this issue.

Either the metadata is incorrect, or it's not being loaded.
If it where there and correct it would Just Work.

-peter