Warning: array_slice() expects parameter 1 to be array, null given in /home/ccneiva/public_html/graficos/jpgraph_pie3d.php on line 40

Warning: array_reverse() [function.array-reverse]: The argument should be an array in /home/ccneiva/public_html/graficos/jpgraph_pie3d.php on line 40
JpGraph Error Illegal pie plot. Sum of all data is zero for Pie Plot