BMXAA8676EThe queue {0} cannot be re-assigned from tenant {1}. It used in crontask configuration. Only queues that are not assigned to crontasks can be re-assigned. Contact the tenant that the queue is assigned to and request that the queue is removed from all crontasks, then you can re-assign it.
Explanation
Only queue which not assigned to any Cron Task can be re-assigned
Action
Contact appropriate tenant to remove queue from all Cron Tasks before re-assigning it.