stack chart improvements

rowers/views/workoutviews.py

@@ -3966,7 +3966,7 @@ def workout_flexchart_stacked_view(request,*args,**kwargs):
             yparam4 = cd['yaxis4']
 
     (
-        script, div, js_resources, css_resources
+        script, div, js_resources, css_resources, comment
     ) = interactive_flexchart_stacked(
         encoder.decode_hex(id),r,xparam=xparam,
         yparam1=yparam1,
@@ -3976,6 +3976,9 @@ def workout_flexchart_stacked_view(request,*args,**kwargs):
         mode=workout.workouttype,
     )
 
+    if comment is not None:
+        messages.error(request,comment)
+
     initial = {
         'xaxis':xparam,
         'yaxis1':yparam1,