Ive been trying to log in in my account but i really can't open it?i paid it for unlocks.. please help! i can't enter to my account with course hero app I can't use tutors question even to unlocks documents i can't what happened ? Also another problem I have paid for three months but last time I saw only zero unlocks documents left that impossible because i only unlocks 10 documents since September what's wrong with course hero ? Everything I'm trying with it doesn't working !