[SI-382]: Bugfix (converter) Signed-off-by: Dennis Schmitt <dennis.schmitt@pta.de>

diff --git a/projects/grid-failure-information-app/src/app/shared/utility/utilityHelpers.ts b/projects/grid-failure-information-app/src/app/shared/utility/utilityHelpers.ts
index 2d1cf77..8e61b63 100644
--- a/projects/grid-failure-information-app/src/app/shared/utility/utilityHelpers.ts
+++ b/projects/grid-failure-information-app/src/app/shared/utility/utilityHelpers.ts

@@ -12,6 +12,7 @@
  ********************************************************************************/
 import { Router } from '@angular/router';
 import { NgrxValueConverter, NgrxValueConverters } from 'ngrx-forms';
+import { FailureStation } from '@grid-failure-information-app/shared/models';
 
 /**
  * Returns formated date based on given culture
@@ -92,14 +93,12 @@
       return null;
     }
 
-    const result = value.stationName;
-    return NgrxValueConverters.objectToJSON.convertViewToStateValue(result);
+    if (value.stationName) return value.stationName;
+    else return value;
   },
   convertStateToViewValue(value) {
-    if (value === null) {
-      return null;
-    }
-
-    return value;
+    const failureStation: FailureStation = new FailureStation();
+    failureStation.stationName = value;
+    return failureStation;
   },
 };