Failed to find match for field 'rgb'.

[jianghr-shanghaitech]

PS D:\eagle\EAGLE-TextureMapping\build\Debug> .\eagle_textureMapping.exe [ From Path: D:/eagle/EAGLE-TextureMapping/datas ] [ To Path: ./results_Bi17D ] [ Alpha U: 1.000000 | Alpha V: 2.000000 ] [ Patch Width: 7 | Patch Step: 1 | Patch Random Search: 0.010000 ] [ Scale: 10 | From 160x120 to 640x480 ] [ PLY Model: 31260 vertexs | 59969 faces ] Failed to find match for field 'rgb'. [ Calculating Normals of each Vertex ] I met this error, wondering how to fix it.