Hello,
we have a problem with sign.img file:
WARNING Autodetected config: NVR4XXX-4KS2
INFO Extracting 8 files to: 'DH_NVR4XXX-4KS2_Eng_V3.215.0000000.1.R.170902.bin.extracted'
INFO Processing 'Install.lua'.
INFO Processing 'u-boot.bin.img'.
INFO Processing 'uImage.img'.
INFO Processing...