polyhedron in openSCAD yields "No top level geometry to render" -


I do not find that this polyhedron does not give me a "top-level geometry error" to render all the triangles Correctly oriented, "thrown-together" - The view shows only yellow-out faces, this is my code: 

  top_width = 39; Bottom_width = 51; Col_offset = 6; Length = 160; Height = 40; Rows = 10; Column = 40; Top_row_width = top_width / rows; Bottom_row_width = bottom_width / rows; Col_length = length / column; Walls = 0.4; Box(); Module box () (multi-point (number = [[[[// point 0, 0, height], [[1 point 1 length, 0, height], [// point length, top_ mode, height], [3 digits 3, top_width, height], [// dot 4 0, 0 + cola offset, 0], [[5 point 5 length, 0 + coloffoff, 0], [// point 6 length, bottom width + coloffaseet, 0], [// 0, bottom_width + cola offset, 0]], triangle = [[3,1,0], [3,2,1], [4,5,6], [4,6,7 ], [7, 2,3], [6,2,7], [4,3,0], [4,7,3], [1,2,5], [1,2,5], [2,6, 5], [0,1,5], [0, 54,4]];}   
 Any indication is highly appreciated, thanks in advance!   
 
 
 Well I am also surprised that the latest version of OpenSCAD supports the face in place of the triangle:  
 faces = [[0,3,2, 1], [0,1,5,4], [1,2,6,5], [2,3,7,6], [0,4,7,3], [4,5,6, 7]]  
 And he cures OK  
 You can try to ask on the OpenSide Forum, which is more active than here.

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