Received a notification that something went wrong with the deactivation of my old device and same message for activation of new device (S23 Ultra). Received message to call Verizon for assistance. After talking with an agent, who connected us to a couple departments, I am being told the 'switch order' is hung up in the system. An upgrade is taking place, not allowing the switch to go through. This could take from 2 to 24 hours. During this time, I have no service on either device. They can not cancel the 'switch order' to allow service on my old device until the upgrade is complete. Completely unacceptable. Verizon should not allow the system to begin deactivation/activation while such a lengthy upgrade delay prevents transfers from happening.