Apple ID disabled
Please I have a problem with my Apple ID, I have been trying to purch apps in the App Store ad musics iTunes Store but I kept receiving this alert message " Your Apple ID has been disabled" on my iPad. Please I need help on how fix it. I have tried some solutions but they aren't working. I.e I try reset my password and security questions using Iforget.apple.com but it keep on showing the alert messages.
iPad 2, iOS 9.3.5