diff --git a/rowers/interactiveplots.py b/rowers/interactiveplots.py
index 6b996747..6953500a 100644
--- a/rowers/interactiveplots.py
+++ b/rowers/interactiveplots.py
@@ -1555,7 +1555,7 @@ def fitnessfit_chart(workouts,user,workoutmode='water',startdate=None,
         except:
             pass
 
-    
+
     if len(data)>1:
         df = pd.concat(data,axis=0)
 
@@ -1719,7 +1719,14 @@ def fitnessfit_chart(workouts,user,workoutmode='water',startdate=None,
     try:
         script,div = components(plot)
     except:
-        return '','Something went wrong withthe chart'
+        df.dropna(inplace=True,axis=0,how='any')
+        return (
+            '',
+            'Something went wrong withthe chart ({nrworkouts} workouts, {nrdata} datapoints)'.format(
+                nrworkouts = workouts.count(),
+                nrdata = len(df),
+            )
+            )
 
     return [script,div]