Fix issue with dropped classes

src/solo_turnier/reader.py

@@ -48,7 +48,13 @@ class ERReader:
                 break
         
         if found == -1:
-            raise Exception(f'Could not find the dance in the result file.')
+            self.l.warn(f'Could not find the dance {tanz} in the result file for {gruppe} ({klasse}). This might mean that the competition was not carried out.')
+            return {
+                'gruppe': gruppe,
+                'klasse': klasse,
+                'tanz': tanz,
+                'finalisten': []
+            }
             pass
 
         # Extract the finalists