Hi need help in solving this.I'm on aSystem Admin profile and created a custom object. Now I want to change fieldlabel and api name of object. I'm able to change label but not the API name. Getting insufficient privileges error. I have view all modify all permissions for the object at profile too. Please help, I tried deleting the object too but i get same error  

Hi, I'm an admin and created a custom object x. I wanted to change API name of the object and i get insufficient privileges error. I created the object and i have view all modify all permissions as well but still i m unable to change api name. I even tried deleting the object i got the same error. I really needto change api name at very least any help would be appreciated!! Thanks in advance