Halo fans on Xbox excited to dive into Halo: Campaign Evolved today as part of its early access period are currently severely disappointed, as an issue is preventing them from accessing the game despite paying extra money for the privilege.  As pointed out by players on social media (and independently verified by GameSpot), many (or possibly everyone) who purchased the Halo: Campaign Evolved premium edition or premium edition upgrade on Xbox or the Xbox PC app can’t at time of…