--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/tkhcalculation/BedQualityD50KmValueFinder.java	Tue Oct 02 18:08:02 2018 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/tkhcalculation/BedQualityD50KmValueFinder.java	Tue Oct 02 18:19:44 2018 +0200
@@ -23,7 +23,6 @@
 import org.dive4elements.river.artifacts.model.Calculation;
 import org.dive4elements.river.artifacts.model.DateRange;
 import org.dive4elements.river.artifacts.sinfo.tkhstate.BedQualityD50TimeRangeConfig;
-import org.dive4elements.river.artifacts.sinfo.tkhstate.BedQualityD50TimeRangeConfig.BedQualityParseException;
 import org.dive4elements.river.artifacts.sinfo.tkhstate.TsvHelper.TsvReaderException;
 import org.dive4elements.river.backend.SedDBSessionHolder;
 import org.dive4elements.river.model.River;
@@ -97,15 +96,16 @@
      * Abhängig von Peiljahr
      *
      * @param problems
-     * @throws BedQualityParseException
      * @throws TsvReaderException
      * @throws IOException
      */
     public static BedQualityD50KmValueFinder loadBedMeasurements(final Calculation problems, final River river, final DoubleRange kmRange,
-            final int soundingYear) throws BedQualityParseException, IOException, TsvReaderException {
+            final int soundingYear) {
 
-        final DateRange rangeFromConfigFile = BedQualityD50TimeRangeConfig.getDefaults(river, soundingYear, problems);
-        final DateRange dateRange = rangeFromConfigFile != null ? rangeFromConfigFile : new DateRange(MIN_DATE, MAX_DATE);
+        final DateRange dateRange = BedQualityD50TimeRangeConfig.getDefaults(river, soundingYear, problems);
+        if (dateRange == null)
+            return null;
+
         return loadBedMeasurements(problems, river, kmRange, dateRange, soundingYear);
     }