Hi leoboedi, the issue was solved in the same day, less than a couple of hours on my end. Thank you for posting !

Hi leoboedi, How long did Apple support take to replace the special character ? I might be in the same situation, I have the same error, the Xcode cloud build passes but the Archive for TestFlight fails. I wrote to devprograms at apple com. Did you write an email as well ? THank you, Gabriel