E19005: Failed to parse file

HwHiAiUser@davinci-mini:~/samples-master/cplusplus/level2_simple_inference/6_other/colorization/scripts$ atc --input_shape="data_l:1,1,224,224" --weight="./colorization.caffemodel" --input_format=NCHW --output="colorization" --soc_version=Ascend310 --framework=0 --model="./colorization.prototxt"
ATC start working now, please wait for a moment.
ATC run failed, Please check the detail log, Try 'atc --help' for more information
E19005: Failed to parse file [./colorization.prototxt]. Try again with a valid protobuf file or check the version of your protobuf installation.
ATC model parse ret fail.[FUNC:ParseGraph][FILE:omg.cc][LINE:807]

HwHiAiUser@davinci-mini:~/samples-master/cplusplus/level2_simple_inference/6_other/colorization/scripts$ atc --input_shape="data_l:1,1,224,224" --weight="./colorization.caffemodel" --input_format=NCHW --output="colorization" --soc_version=Ascend310 --framework=0 --model="./colorization.prototxt"
ATC start working now, please wait for a moment.
ATC run failed, Please check the detail log, Try 'atc --help' for more information
E19005: Failed to parse file [./colorization.prototxt]. Try again with a valid protobuf file or check the version of your protobuf installation.
        ATC model parse ret fail.[FUNC:ParseGraph][FILE:omg.cc][LINE:807]

看看omg.cc807行是啥错误？