protobuf version problem

[lxtGH]

I run the experiment, but i got this error
faster_rcnn_end2end.yml
Traceback (most recent call last):
File "./tools/train_net.py", line 15, in
from fast_rcnn.train import get_training_roidb, train_net
File "/home/lxt/study/face-py-faster-rcnn/tools/../lib/fast_rcnn/train.py", line 10, in
import caffe
File "/home/lxt/study/face-py-faster-rcnn/tools/../caffe-fast-rcnn/python/caffe/init.py", line 1, in
from .pycaffe import Net, SGDSolver, NesterovSolver, AdaGradSolver, RMSPropSolver, AdaDeltaSolver, AdamSolver
File "/home/lxt/study/face-py-faster-rcnn/tools/../caffe-fast-rcnn/python/caffe/pycaffe.py", line 13, in
from ._caffe import Net, SGDSolver, NesterovSolver, AdaGradSolver,
ImportError: /home/lxt/study/face-py-faster-rcnn/tools/../caffe-fast-rcnn/python/caffe/../../build/lib/libcaffe.so.1.0.0-rc3: undefined symbol: _ZNK6google8protobuf7Message11GetTypeNameB5cxx11Ev

what is protobuf version of this project?