ncappzoo [Error 9] Argument Error: Network weight cannot be found.

[TouchDeeper]

Hello,
I install the ros_object_analytics according to the instruction.
When I install the ros_intel_movidius_ncs and go to the
cd /opt/movidius/ncappzoo/caffe/SSD_MobileNet && make,
error occured:

making prereqs

making prototxt
Prototxt file already exists, skipping download.

making caffemodel
caffemodel already exists, skipping download.
if [ -e merge_bn.py ] ; \
then \
	echo "merge_bn.py already exists. skipping download."; \
else \
	echo ""; \
	echo "Attempting download of merge_bn.py from this url: "; \
	echo "https://raw.githubusercontent.com/chuanqi305/MobileNet-SSD/master/merge_bn.py"; \
	wget -P . https://raw.githubusercontent.com/chuanqi305/MobileNet-SSD/master/merge_bn.py; \
	python3 merge_bn.py --model deploy.prototxt --weight mobilenet_iter_73000.caffemodel; \
fi; \

merge_bn.py already exists. skipping download.

making compile
mvNCCompile v02.00, Copyright @ Movidius Ltd 2016

[Error 9] Argument Error: Network weight cannot be found.