--- a/Core/Enumerations.cpp	Thu Aug 27 14:58:58 2015 +0200
+++ b/Core/Enumerations.cpp	Thu Aug 27 15:36:43 2015 +0200
@@ -133,6 +133,9 @@
       case ErrorCode_UnknownDicomTag:
         return "Unknown DICOM tag";
 
+      case ErrorCode_BadJson:
+        return "Cannot parse a JSON document";
+
       case ErrorCode_SQLiteNotOpened:
         return "SQLite: The database is not opened";
 
@@ -1118,6 +1121,9 @@
       case ErrorCode_InexistentTag:
         return HttpStatus_404_NotFound;
 
+      case ErrorCode_BadJson:
+        return HttpStatus_400_BadRequest;
+
       default:
         return HttpStatus_500_InternalServerError;
     }