Communications failure due to transaction timeout when reloading b3 device.
Offending b3 was found to exist in the BACnet folder under an MSTP network different from the network specified in the bCX comm2 network ID.
Try one of these solutions...
1. Delete MSTP network under the BACnet folder and perform a 'Find new BACnet devices', a new MSTP network should be created with the right network ID.
2. Use SQL Management Studio to clean up the database