
How to solve the above UBL error.

How to solve the above UBL error.
I suspect that it is expecting to receive a valid chip type ID at this stage

and not getting it, similar to this error in the TMCL IDE

mentioned here in the EngineerZone
Are you sure that your interface is connected to the COM3 virtual com port in device manager and that it is showing as being ok ?
Do you do ANY investigation and research yourself?