Hello @NinfetaminaBR and @Nspk!
I’m really sorry to hear you are having issues when trying to transfer servers cross region.
If the issue persists, as @NinfetaminaBR mentioned, creating a ticket for our technical team would be the best way to proceed. Our team needs to gather more information from you in order to provide a resolution. So please go to the following link and follow the instructions provided: Contact Us | Amazon Games
Once the information is received, further confirmation will be sent to you regarding the situation. Feel free to attach this threads link, as well as any extra information that you consider necessary.
I will keep a close eye on the post in case anybody needs further assistance.
Best regards!