Error on running make command

[immuno121]

/home/jupyter/walmart/base/core/tensorrt_l2norm_helper/trt_l2norm_helper/l2norm_helper.cpp: In member function ‘virtual nvinfer1::IPluginV2* L2NormHelperPluginCreator::deserializePlugin(const char*, const void*, size_t)’:
/home/jupyter/walmart/base/core/tensorrt_l2norm_helper/trt_l2norm_helper/l2norm_helper.cpp:205:66: error: invalid new-expression of abstract class type ‘L2NormHelper’
  205 |     L2NormHelper* obj = new L2NormHelper(serialData, serialLength);
      |                                                                  ^
make[2]: *** [trt_l2norm_helper/CMakeFiles/trt_l2norm_helper.dir/build.make:76: trt_l2norm_helper/CMakeFiles/trt_l2norm_helper.dir/l2norm_helper.cpp.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:126: trt_l2norm_helper/CMakeFiles/trt_l2norm_helper.dir/all] Error 2
make: *** [Makefile:91: all] Error 2```