ImportError: ~/fast-rcnn/caffe-fast-rcnn/distribute/python/caffe/_caffe.so: undefined symbol: _ZN5caffe34_PythonParameter_default_instance_E

[PennySHE]

When i try to import caffe, i hit below errors.
Has anyone ever met this before? how you get through it?

import caffe', 'File "/fast-rcnn/caffe-fast-rcnn/distribute/python/caffe/init.py", line 1, in ', 'from .pycaffe import Net, SGDSolver, NesterovSolver, AdaGradSolver, RMSPropSolver, AdaDeltaSolver, AdamSolver', 'File "/fast-rcnn/caffe-fast-rcnn/distribute/python/caffe/pycaffe.py", line 13, in ', 'from ._caffe import Net, SGDSolver, NesterovSolver, AdaGradSolver, \', 'ImportError: ~/fast-rcnn/caffe-fast-rcnn/distribute/python/caffe/_caffe.so: undefined symbol: _ZN5caffe34_PythonParameter_default_instance_E'])
2018-06-29 16:03:26,522 - ERROR - skipping network, conversion failed