Sorry to hear Unable to transfer due to pending company invite. I have brought a solution provided by gavinlef, it may be worth trying. Let’s try it out!
Once you reached out customer support, please provide next details:
Steam ID:
Character Name:
In-Game World:
Also, remember to have your Amazon and Steam accounts linked, doing so will allow us to authenticate your game account, and provide support for Amazon Games.
Linking your Amazon and Steam account, Here’s the link. Amazon Sign-In
Go to Account Settings.
Select Link your Steam account.
Sign in with the Steam credentials of the account you want to link.