[DFTB-Plus-User] negf calculation

[Theodoros Leontiou]

Dear dftb+ specialist
I am trying to do my first dftb+ negf calculation.However, I get an error I
don't know how to resolve. 
I am running a test using the input files provided for the Silicon nanowire
example. When I try to calculate the contact hamiltonian I get
thefollowing:

ERROR!
-> Missing child: Device
Path: dftb_in/Transport
Line: 6-23 (File: dftb_in.hsd)
What is the meaning of the above error message?
I am grateful for your help
Regards
Theodoros
ps: I am attaching my input file below
####### BEGINNING OF INPUT FILE ##########################
Geometry = GenFormat {

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