Open3d Error

[wyiguanw]

Hello, Thanks for the great work! I have tried colab version, it works well. But when I try to deploy it on my computer, this error is raised. is there any solution?

system: Ubuntu

[Open3D Error] (static std::tuple<std::shared_ptr<open3d::geometry::TriangleMesh>, std::vector<double, std::allocator<double> > > open3d::geometry::TriangleMesh::CreateFromPointCloudPoisson(const open3d::geometry::PointCloud&, size_t, float, float, bool, int)) /root/Open3D/cpp/open3d/geometry/SurfaceReconstructionPoisson.cpp:732: Point cloud has no normals