Vertex normals removed due to application of non-invertible matrix,Error running translation. when I try translate the 3d .obj model to 3dtiles,the error Appear，of course not all obj appear the error
+5Vertex normals removed due to application of non-invertible matrix,Error running translation. when I try translate the 3d .obj model to 3dtiles,the error Appear，of course not all obj appear the error
