At a guess it looks like you dont have jpgraph_scatter.php installed with the other jpgraph stuff as at least a couple of the graphs failing use a scatter plot and need this file. It should be in the JPGraphs package.
Stuart
At a guess it looks like you dont have jpgraph_scatter.php installed with the other jpgraph stuff as at least a couple of the graphs failing use a scatter plot and need this file. It should be in the JPGraphs package.
Stuart