Thank you for reaching out. Can you share with us which game mode were you playing on?
If it was on an Official server, please share the server number.
What’s the last spell you can learn before experiencing the crash?
We await your reply.
Thank you for the additional information. By any chance, have you tried to leave the console connected to the internet while playing on Singleplayer and performing the same steps to learn sorcery?
Thank you for letting us know. We will ask our team to investigate this matter.
Have a good day!