My guess is something went sideways on Reid and SCSU had lower requirements. For all schools you must meet the clearing house limits but schools can be selective above that level. Most with high profile programs can work around these issues at admissions but it appears in this case the hockey team didn’t have the credit to get it done. (Maybe a certain captain being ineligible for his 2nd semester senior year caused the credit limit to shrink)
To me from the hockey end it sounds like a program management issue. If you have a kid that is going to be close you keep your eyes on him so there isn't a last minute surprise - this clearly was. The surprise is bad for the player and the team. This is the type of detail stuff I would want my recruiting guy to be on top of, sort of like those e-mail program details.