Sure, the first sample chart in the tutorial loads with an error
[easychart
type="horizbar" height="100" title="SYSMark 2007: AMD v.s. Intel" groupnames="AMD Phenom X4 9950, Intel Core i7 940" groupcolors="005599,229944" valuenames="Overall,E-Learning,Video Creation,Productivity,3D" group1values="157,132,208,150,148" group2values="229,202,259,226,232" ]
This one load exactly as show: [easychart type="horizbarstack" height="50" width="200" title="horizbarstack" groupnames="Group 1, Group 2" valuenames="B, A" group1values="11,23" group2values="15,30"]