.../caroline/core/serialization.cc: In member function ‘void bitdata::GlobalMessage::GenPic(const std::vector<std::pair<cv::Mat, core::Position> >&)’:
.../caroline/core/serialization.cc:147:42: error: no matching function for call to ‘bitdata::Image::set_data(std::string)’
     std::string(left.begin(), left.end()));
                                          ^
.../caroline/core/serialization.cc:147:42: note: candidate is:
In file included from .../caroline/core/serialization.h:21:0,
                 from .../caroline/core/serialization.cc:6:
.../caroline/out/protocol.pb.h:2052:13: note: void bitdata::Image::set_data(int, google::protobuf::int32)
 inline void Image::set_data(int index, ::google::protobuf::int32 value) {
             ^
.../caroline/out/protocol.pb.h:2052:13: note:   candidate expects 2 arguments, 1 provided
.../caroline/core/serialization.cc:149:44: error: no matching function for call to ‘bitdata::Image::set_data(std::string)’
     std::string(right.begin(), right.end()));
                                            ^
.../caroline/core/serialization.cc:149:44: note: candidate is:
In file included from .../caroline/core/serialization.h:21:0,
                 from .../caroline/core/serialization.cc:6:
.../caroline/out/protocol.pb.h:2052:13: note: void bitdata::Image::set_data(int, google::protobuf::int32)
 inline void Image::set_data(int index, ::google::protobuf::int32 value) {
             ^
.../caroline/out/protocol.pb.h:2052:13: note:   candidate expects 2 arguments, 1 provided
make[2]: *** [CMakeFiles/core.dir/core/serialization.cc.o] Error 1
make[2]: *** Waiting for unfinished jobs....