Fatal error: Uncaught Error: Class "Plot" not found in /home/datadir/applications/econome-moduls-develop/econome_framework/libraries/vendor/mitoteam/jpgraph/src/lib/jpgraph_contour.php:389 Stack trace: #0 {main} thrown in /home/datadir/applications/econome-moduls-develop/econome_framework/libraries/vendor/mitoteam/jpgraph/src/lib/jpgraph_contour.php on line 389