ValueError: Unknown CUDA arch (8.6) or GPU not supported

[SuGoe-Young]

When I run the instruction "python3 setup.py build develop", show the error which in block below. How can I solve this error?
running build running build_py running build_ext building 'detectron2._C' extension gcc -pthread -B /root/anaconda3/envs/bcnet_pip/compiler_compat -Wl,--sysroot=/ -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -DWITH_CUDA -I/tmp/BCNet/detectron2/layers/csrc -I/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/torch/include -I/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/torch/include/torch/csrc/api/include -I/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/torch/include/TH -I/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/torch/include/THC -I/usr/local/cuda/include -I/root/anaconda3/envs/bcnet_pip/include/python3.7m -c /tmp/BCNet/detectron2/layers/csrc/ROIAlign/ROIAlign_cpu.cpp -o build/temp.linux-x86_64-cpython-37/tmp/BCNet/detectron2/layers/csrc/ROIAlign/ROIAlign_cpu.o -DTORCH_API_INCLUDE_EXTENSION_H -DTORCH_EXTENSION_NAME=_C -D_GLIBCXX_USE_CXX11_ABI=0 -std=c++11 cc1plus: warning: command line option ‘-Wstrict-prototypes’ is valid for C/ObjC but not for C++ In file included from /root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/torch/include/ATen/ATen.h:9:0, from /root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/torch/include/torch/csrc/api/include/torch/types.h:3, from /tmp/BCNet/detectron2/layers/csrc/ROIAlign/ROIAlign.h:3, from /tmp/BCNet/detectron2/layers/csrc/ROIAlign/ROIAlign_cpu.cpp:3: /tmp/BCNet/detectron2/layers/csrc/ROIAlign/ROIAlign_cpu.cpp: In lambda function: /root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/torch/include/ATen/Dispatch.h:116:56: warning: ‘c10::ScalarType detail::scalar_type(const at::DeprecatedTypeProperties&)’ is deprecated [-Wdeprecated-declarations] at::ScalarType _st = ::detail::scalar_type(the_type); \ ^ /tmp/BCNet/detectron2/layers/csrc/ROIAlign/ROIAlign_cpu.cpp:429:3: note: in expansion of macro ‘AT_DISPATCH_FLOATING_TYPES_AND_HALF’ AT_DISPATCH_FLOATING_TYPES_AND_HALF(input.type(), "ROIAlign_forward", [&] { ^ /root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/torch/include/ATen/Dispatch.h:31:23: note: declared here inline at::ScalarType scalar_type(const at::DeprecatedTypeProperties &t) { ^~~~~~~~~~~ /tmp/BCNet/detectron2/layers/csrc/ROIAlign/ROIAlign_cpu.cpp: In lambda function: /root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/torch/include/ATen/Dispatch.h:116:56: warning: ‘c10::ScalarType detail::scalar_type(const at::DeprecatedTypeProperties&)’ is deprecated [-Wdeprecated-declarations] at::ScalarType _st = ::detail::scalar_type(the_type); \ ^ /tmp/BCNet/detectron2/layers/csrc/ROIAlign/ROIAlign_cpu.cpp:481:3: note: in expansion of macro ‘AT_DISPATCH_FLOATING_TYPES_AND_HALF’ AT_DISPATCH_FLOATING_TYPES_AND_HALF(grad.type(), "ROIAlign_forward", [&] { ^ /root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/torch/include/ATen/Dispatch.h:31:23: note: declared here inline at::ScalarType scalar_type(const at::DeprecatedTypeProperties &t) { ^~~~~~~~~~~ Traceback (most recent call last): File "setup.py", line 146, in <module> cmdclass={"build_ext": torch.utils.cpp_extension.BuildExtension}, File "/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/setuptools/__init__.py", line 87, in setup return distutils.core.setup(**attrs) File "/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/setuptools/_distutils/core.py", line 185, in setup return run_commands(dist) File "/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/setuptools/_distutils/core.py", line 201, in run_commands dist.run_commands() File "/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/setuptools/_distutils/dist.py", line 969, in run_commands self.run_command(cmd) File "/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/setuptools/dist.py", line 1208, in run_command super().run_command(command) File "/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/setuptools/_distutils/dist.py", line 988, in run_command cmd_obj.run() File "/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/setuptools/_distutils/command/build.py", line 132, in run self.run_command(cmd_name) File "/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/setuptools/_distutils/cmd.py", line 318, in run_command self.distribution.run_command(command) File "/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/setuptools/dist.py", line 1208, in run_command super().run_command(command) File "/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/setuptools/_distutils/dist.py", line 988, in run_command cmd_obj.run() File "/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/setuptools/command/build_ext.py", line 84, in run _build_ext.run(self) File "/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/Cython/Distutils/old_build_ext.py", line 186, in run _build_ext.build_ext.run(self) File "/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/setuptools/_distutils/command/build_ext.py", line 346, in run self.build_extensions() File "/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/torch/utils/cpp_extension.py", line 372, in build_extensions build_ext.build_extensions(self) File "/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/Cython/Distutils/old_build_ext.py", line 195, in build_extensions _build_ext.build_ext.build_extensions(self) File "/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/setuptools/_distutils/command/build_ext.py", line 468, in build_extensions self._build_extensions_serial() File "/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/setuptools/_distutils/command/build_ext.py", line 494, in _build_extensions_serial self.build_extension(ext) File "/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/setuptools/command/build_ext.py", line 246, in build_extension _build_ext.build_extension(self, ext) File "/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/setuptools/_distutils/command/build_ext.py", line 556, in build_extension depends=ext.depends, File "/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/setuptools/_distutils/ccompiler.py", line 599, in compile self._compile(obj, src, ext, cc_args, extra_postargs, pp_opts) File "/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/torch/utils/cpp_extension.py", line 288, in unix_wrap_compile "'-fPIC'"] + cflags + _get_cuda_arch_flags(cflags) File "/root/anaconda3/envs/bcnet_pip/lib/python3.7/site-packages/torch/utils/cpp_extension.py", line 1027, in _get_cuda_arch_flags raise ValueError("Unknown CUDA arch ({}) or GPU not supported".format(arch)) ValueError: Unknown CUDA arch (8.6) or GPU not supported