Fatal error: Uncaught Error: Cannot use string offset as an array in /var/www/sigicov_sign/shared/graficos/pChart/pChart.class:2638 Stack trace: #0 /var/www/sigicov_sign/shared/graficos/pruebapiloto.php(18): pChart->drawPieGraph() #1 {main} thrown in /var/www/sigicov_sign/shared/graficos/pChart/pChart.class on line 2638