ATT S3 will only load in recovery

A

AC Question

So i have a SGH I747 and i rooted it successfully then for some reason supersu stopped working. so, i went into recovery cleared cache partition and davlik and now it will only load in cwm recovery mode even if im not trying to. went back and reset to factory just to try and still nothing. to just clear everything i went to flash the stock rom and odin keeps saying it fails. drivers are up to date and im using odin 3.07. this is all just very frustrating