Running In VS2015

[jackCplusplus]

Hi，have u seen this problem in VS?
Below is error code is VS :
严重性 代码 说明 项目 文件 行 禁止显示状态
错误 LNK2019 无法解析的外部符号 "public: __cdecl dlib::entropy_decoder_kernel_2::entropy_decoder_kernel_2(void)" (??0entropy_decoder_kernel_2@dlib@@qeaa@XZ)，该符号在函数 "public: void __cdecl dlib::compress_stream_kernel_1<class dlib::entropy_encoder_model_kernel_5<257,class dlib::entropy_encoder_kernel_2,200000,4>,class dlib::entropy_decoder_model_kernel_5<257,class dlib::entropy_decoder_kernel_2,200000,4>,class dlib::crc32>::decompress(class std::basic_istream<char,struct std::char_traits > &,class std::basic_ostream<char,struct std::char_traits > &)const " (?decompress@?$compress_stream_kernel_1@V?$entropy_encoder_model_kernel_5@$0BAB@Ventropy_encoder_kernel_2@dlib@@$0DANEA@$03@dlib@@v?$entropy_decoder_model_kernel_5@$0BAB@Ventropy_decoder_kernel_2@dlib@@$0DANEA@$03@2@Vcrc32@2@@dlib@@QEBAXAEAV?$basic_istream@DU?$char_traits@D@std@@@std@@aeav?$basic_ostream@DU?$char_traits@D@std@@@4@@z) 中被引用 Head_Pose_Estimation C:\Users\有对象真好\documents\visual studio 2015\Projects\Head_Pose_Estimation\Head_Pose_Estimation\Head_Pose_Estimation.obj 1