To prevent this situation from happening, it's recommended you add a standard email and password login and associate that to your account by following: How do I change my login provider(s)?.
If you are already in an environment whereunable to use your current login provider is blocked, you can use the form to create a new account and use the same email address while registering. InOnce you've verified your email address on your new account, in most cases, the new account association will happenbe automatically, so you don't even merged into your existing account and will have to worry about that step if that happensthe new login method imported. In some cases (such as you beingif you're a moderator on any site, or if the system couldn't verify something), it may create a second account;the automatic merge will not happen; if that happens, request that your accounts be merged.