What you can do right now is this:
1) Make a new gmail (Android) or AppleID (IOS).
2) Make a new SWGoH game linked to your new email
3) Make a cash purchase in the ingame store on your new account
4) Email Customer Support and copies of the reciepts of your purchase
5) Ask them to transfer your NEW account over to your OLD email
They will unattach your old account and transfer over your new account for you.
Replies
1) Make a new gmail (Android) or AppleID (IOS).
2) Make a new SWGoH game linked to your new email
3) Make a cash purchase in the ingame store on your new account
4) Email Customer Support and copies of the reciepts of your purchase
5) Ask them to transfer your NEW account over to your OLD email
They will unattach your old account and transfer over your new account for you.