The release in question: http://www.filmo.gs/release/20889-Falling-Toward-Apotheosis-The-Long-Night
When going back into the existing release to add the two copyright dates for "PTN Consortium", I put them both in their respective fields.
Instead of putting them both on the same page, it put them in as separate companies. I've chosen not to edit the sub until a developer looks at it to see what I mean.
I've brought this up at Bibliogs as well: http://www.biblio.gs/forum/44728-Bug-report-Author-names-duplicating
Thanks! Yes this is a bug at the moment. Please everyone be aware that if you add a new actor / company etc to a release, if there are two or more roles for them, they will create different entity pages. Please only add one entry (role) for a new entity the first time you add it. We will look at improving the site so this doesn't happen, but it may be a while before that happens.