Phone constantly asking for old iCloud id that is inactive email, don't know password
My iPhone 6 constantly asks for my old Apple id password to log into iCloud. This id is an inactive email that I dont know the password to so I cannot sign in or delete it from icloud on my phone. I also don't remember the security questions. It will not let me use texts or calls and the settings crash whenever I access them. Anyone have a solution or similar problem?
Iso 8.1.3
iPhone 6, iOS 8.1.3