diff --git a/rowers/dataprep.py b/rowers/dataprep.py
index 582815e0..4100b8d5 100644
--- a/rowers/dataprep.py
+++ b/rowers/dataprep.py
@@ -126,8 +126,7 @@ def rscore_approx(row):
         else:
             dd = 3600*row['duration'].hour+60*row['duration'].minute+row['duration'].second
             dd = dd/3600
-            print(row['rpe'],dd,rpetotss[row['rpe']])
-            return rpetotss[row['rpe']]*dd
+            return int(rpetotss[row['rpe']]*dd)
     if row['rscore'] < 0:
         w = Workout.objects.get(id=row['id'])
         trimp, hrtss = workout_trimp(w)
@@ -135,12 +134,11 @@ def rscore_approx(row):
         if row['rpe'] and row['rpe'] > 0:
             dd = 3600*row['duration'].hour+60*row['duration'].minute+row['duration'].second
             dd = dd/3600
-            return rpetotss[row['rpe']]*dd
+            return int(rpetotss[row['rpe']]*dd)
         else:  # pragma: no cover
             minutes = row['duration'].hour*60+row['duration'].minute
             return minutes
 
-    print('boer')
     return 0
 
 
diff --git a/rowers/nkimportutils.py b/rowers/nkimportutils.py
index e8394bec..b2d495f4 100644
--- a/rowers/nkimportutils.py
+++ b/rowers/nkimportutils.py
@@ -110,7 +110,7 @@ def add_workout_from_data(userid, nkid, data, strokedata, source='nk', splitdata
         'seatNumber': seatNumber,
     }
 
-    # dologging('nklog.log',json.dumps(uploadoptions))
+    dologging('nklog.log',json.dumps(uploadoptions))
 
     session = requests.session()
     newHeaders = {'Content-type': 'application/json', 'Accept': 'text/plain'}
diff --git a/rowers/tasks.py b/rowers/tasks.py
index 41e28396..a037a37d 100644
--- a/rowers/tasks.py
+++ b/rowers/tasks.py
@@ -359,7 +359,7 @@ def uploadactivity(access_token, filename, description='',
             with gzip.GzipFile(fileobj=data_gz, mode="w") as gzf:
                 gzf.write(s)
     except FileNotFoundError:
-        return 0
+        return 0, 0, 0, 0
 
     headers = {
         'Content-Type': 'application/json',
@@ -2644,8 +2644,12 @@ def handle_makeplot(f1, f2, t, hrdata, plotnr, imagename,
     nr_rows = len(row.df)
     if (plotnr in [1, 2, 4, 5, 8, 11, 9, 12]) and (nr_rows > 1200):  # pragma: no cover
         bin = int(nr_rows / 1200.)
-        df = row.df.groupby(lambda x: x / bin).mean()
-        row.df = df
+        try:
+            df = df.select_types(['number'])
+            df = row.df.groupby(lambda x: x / bin).mean()
+            row.df = df
+        except TypeError:
+            pass
     nr_rows = len(row.df)
     if (plotnr == 1):
         fig1 = row.get_timeplot_erg(t, pacerange=oterange, **kwargs)
diff --git a/rowers/tests/testdata/testdata.tcx.gz b/rowers/tests/testdata/testdata.tcx.gz
index 36a4f214..a6ad89e0 100644
Binary files a/rowers/tests/testdata/testdata.tcx.gz and b/rowers/tests/testdata/testdata.tcx.gz differ
diff --git a/rowers/views/planviews.py b/rowers/views/planviews.py
index 3d5df328..a3a424ad 100644
--- a/rowers/views/planviews.py
+++ b/rowers/views/planviews.py
@@ -1518,12 +1518,15 @@ def plannedsessions_view(request,
     for w in ws:
         thetrimp, hrtss = dataprep.workout_trimp(w)
         totals['trimp'] += thetrimp
-        tss = dataprep.workout_rscore(w)[0]
-        if not np.isnan(tss) and tss != 0:
-            totals['rscore'] += tss
-        elif tss == 0:
-            totals['rscore'] += hrtss
-            tss = hrtss
+        row = {
+                'rscore': w.rscore,
+                'hrtss': w.hrtss,
+                'rpe': w.rpe,
+                'duration': w.duration,
+                'id': w.id
+            }
+        tss = dataprep.rscore_approx(row)
+        totals['rscore'] += tss
         totals['distance'] += w.distance
         totals['time'] += timefield_to_seconds_duration(w.duration)
         if w.plannedsession:  # pragma: no cover