diff --git a/src/solo_turnier/worker.py b/src/solo_turnier/worker.py
index a8e2224..80ed776 100644
--- a/src/solo_turnier/worker.py
+++ b/src/solo_turnier/worker.py
@@ -506,17 +506,17 @@ class Worker:
 
         dances = set()
         additionalDances = set()
+        foundDances = set()
         for tup in data.htmlResults.results.keys():
             if not groupParser.parseClass(tup[0]) == group:
                 continue
-            dances.add(tup[2])
-        # for part in data.previewImport.results.keys():
-        #     allFoundDances = set(data.previewImport.results[part].keys())
-        #     dances.update(allFoundDances.intersection(self._allDances))
-        #     additionalDances.update(allFoundDances.difference(self._allDances))
+            foundDances.add(tup[2])
         
+        dances.update(foundDances.intersection(self._allDances))
+        additionalDances.update(foundDances.difference(self._allDances))
+
         if len(additionalDances) > 0:
-            self.l.warning('There were dances found, that are not registered. A bug? The dances were: %s', additionalDances)
+            self.l.error('There were dances found, that are not registered. A bug? The dances were: %s', additionalDances)
         
         dancesList = [x for x in self._allDances if x in dances]
         additionalDancesList = list(additionalDances)