It says 'fetching new code' and then will show the same code as before.
Workaround found by clearing the attached group.
I did have 400 people in the group at the time.
Comments 2
Cleaning up old tickets: This ticket has not been updated recently (~1 year+) so is being closed as Cannot Reproduce. If you feel this is still a valid issue then please comment, or create a new ticket following the Issue Guidelines.
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Not sure if this should be put under MCPE or REALMS.