That seems like it might be a bug. Please search our bug tracker, and if you find a matching report, upvote so the dev team can see how widespread it is! msft.it/6012k9rkY ^NS
I definitely understand wanting to get that up and running. Go ahead and contact us at msft.it/6019khTTc, and our Realms team will be happy to investigate. ^NS
Thanks for sending this over! I can confirm your ticket was received and is in our queue. One of our agents will get back to you just as soon as possible! ^NS
That sounds like a great suggestion, what a cute cat! I would encourage you to submit this as feedback at msft.it/6010khRj4 so the dev team can see it. ^NS
If you have trouble launching the game post-migration, remember to use the Microsoft login option & check out this FAQ: msft.it/6018khu7Q. If you migrated to the wrong Microsoft account, contact us at msft.it/6019khu7v and we'll see what options we have. ^NS
It looks like one of our agents was able to get back to you, which is good to see! We're always replying to players as quickly as we can while making sure everyone gets assistance. ^NS
Unfortunately for privacy reasons we're not able to provide the email that's on an account. I would recommend first trying to log in with the email that used to be on your Mojang account. Sometimes a new account is created during migration! ^NS
Thanks for letting us know about this, I can imagine that would be frustrating! Please contact us at msft.it/6012kCfsk so we can look into this for you. ^NS
Sorry about any delay you're encountering! We try to respond to tickets as quickly as possible in the order they were received. We appreciate your patience! ^TK
In this case, it may be best to reach out to our tech team so that we can take a closer look into what's going on. To keep your information secure, please complete our request form at msft.it/6017kCPjd so we can quickly and safely assist with your question! ^TK
Unfortunately, we don't have a method to assist in corrupted Worlds. Since they are stored locally as well, we don't have backups of the Worlds on our end. ^TK