diff --git a/TBF/BenchControl/Output/FileWriters/IperlLogger/Writer.cs b/TBF/BenchControl/Output/FileWriters/IperlLogger/Writer.cs
index abbaa860d..7ed98009e 100644
--- a/TBF/BenchControl/Output/FileWriters/IperlLogger/Writer.cs
+++ b/TBF/BenchControl/Output/FileWriters/IperlLogger/Writer.cs
@@ -138,7 +138,7 @@ namespace TBF.BenchControl.Output.FileWriters.IperlLogger
                     {
                         try
                         {
-                            WriteLogsToDisk(logger, batch);
+                            anyError = anyError || (WriteLogsToDisk(logger, batch) != Retv.OK);
                             logger.Flush();
                             logger.Close();
                             log.WarnFormat("{0} : Batch #{1} written OK", Name, batch.BatchNr);
@@ -187,6 +187,7 @@ namespace TBF.BenchControl.Output.FileWriters.IperlLogger
             }
             if (wm0 == null)
             {
+                log.Error("Not a single watermeter in the batch");
                 return Retv.Error;          /// Not a single watermeter in the batch
             }
 
@@ -194,9 +195,17 @@ namespace TBF.BenchControl.Output.FileWriters.IperlLogger
             SensusTestInfo[] testInfos = wm0.CompleteTestInfos as SensusTestInfo[];
             if (testInfos == null)
             {
+                log.Error("CompleteTestInfos of the first water meter is null");
                 return Retv.Error;          /// No test infos
             }
 
+            log.Warn("Using CompleteTestInfos:");
+            foreach (var cti in testInfos)
+            {
+                log.WarnFormat("   Test={0} PrfNrDB={1} QBzDB={2} PrfNrOpto={3} QBzOpto={4} PrfNrLog={5} QBzLog={6} Range={7}",
+                               cti.TestName, cti.PruefungsNrDB, cti.QBezeichnungDB, cti.PruefungsNrOpto,
+                               cti.QBezeichnungOpto, cti.PruefungsNrLog, cti.QBezeichnungLog, cti.Range);
+            }
 
             Results.Entities.WaterMeterData wmData = wm0.WaterMeterData;
 
@@ -217,6 +226,7 @@ namespace TBF.BenchControl.Output.FileWriters.IperlLogger
                     }
                     else
                     {
+                        log.ErrorFormat("Missing test result for test {0}", testInfos[j].TestName);
                         return Retv.Error;      /// Missing test result for one of specified tests
                     }
                 }
diff --git a/TBF/Properties/AssemblyInfo.cs b/TBF/Properties/AssemblyInfo.cs
index 9eab4a0d1..1ad8aff6c 100644
--- a/TBF/Properties/AssemblyInfo.cs
+++ b/TBF/Properties/AssemblyInfo.cs
@@ -29,5 +29,5 @@ using System.Runtime.InteropServices;
 //      Build Number
 //      Revision
 //
-[assembly: AssemblyVersion("2.18.1196.0")]
-[assembly: AssemblyFileVersion("2.18.1196.0")]
+[assembly: AssemblyVersion("2.18.1197.0")]
+[assembly: AssemblyFileVersion("2.18.1197.0")]