Scream 4-what's going on?

As i mentioned with a previous post, "Scream 4" started rolling cameras on 28th of June. Everything looked promising, the same team behind one and two was back and horror fans were uber-satisfied. The happiness didn't last for long though as rumours surfaced about contant differences between the studio and the creative team. In addition one actress has already quited (? or left?) the set due to