diff --git a/WEBSERVICES/ZUGFeRDRESTService/Controllers/ValidationController.cs b/WEBSERVICES/ZUGFeRDRESTService/Controllers/ValidationController.cs
index 2e625d83..fb4e33be 100644
--- a/WEBSERVICES/ZUGFeRDRESTService/Controllers/ValidationController.cs
+++ b/WEBSERVICES/ZUGFeRDRESTService/Controllers/ValidationController.cs
@@ -87,8 +87,6 @@ namespace ZUGFeRDRESTService.Controllers
         {
             _logConfig = logging.LogConfig;
             _logger = _logConfig.GetLogger();
-            //_file = new DigitalData.Modules.Filesystem.File(_logConfig);
-
             _logger.Debug("Validation Controller initializing");
 
             // Read config file and assign all option flags related to
@@ -211,7 +209,6 @@ namespace ZUGFeRDRESTService.Controllers
         /// <param name="user_id">This is the email address which the user supplied</param>
         /// <param name="language_id">This is language code which the user supplied (en-US, de-DE)</param>
         [HttpPost]
-        //public ValidationResponse Post(IFormFile file, StringContent user_id, StringContent language_id = null)
         public ValidationResponse Post(IFormCollection collection)
         {
             _logger.Info("Start processing request to ValidationController");
@@ -219,8 +216,8 @@ namespace ZUGFeRDRESTService.Controllers
             ZugferdResult oZugferdResult = null;
             CheckPropertyValuesResult oPropertyResult = new CheckPropertyValuesResult();
 
-            var oUserId = string.Empty; // user_id == null ? string.Empty : user_id.ToString();
-            var oLanguageId = GERMAN; // language_id == null ? GERMAN : language_id.ToString();
+            var oUserId = string.Empty; 
+            var oLanguageId = GERMAN; 
             
             IFormFile file = collection.Files[0];
 
@@ -422,16 +419,54 @@ namespace ZUGFeRDRESTService.Controllers
                 // Der gesamte Ausgabetext muss anhand des ErrorCodes ermittelt werden 
                 string oMessage = this.GetRejectionMessage(rejectionCodeNumber);
 
-                List<string> oErrors = ex.ValidationErrors.Select(e =>
-                {
-                    return $"Element '{e.ElementName}' mit Wert '{e.ElementValue}': {e.ErrorMessageDE}";
-                }).ToList();
+                // Wenn es ValidationErrors gibt, werden diese nun übersetzt und in eine Liste übertragen werden
 
+                var mainText = GetTextByToken("ItemValueText");
+                var resultList = new List<string>();
+                foreach (var errorItem in ex.ValidationErrors)
+                {
+                    var resultString = mainText;
+
+                    if (!string.IsNullOrEmpty(errorItem.ElementName))
+                    {
+                        // replace @ITEM_NAME => e.ElementName
+                        resultString = resultString.Replace("@ITEM_NAME", errorItem.ElementName, StringComparison.OrdinalIgnoreCase);
+                    }
+
+                    if (!string.IsNullOrEmpty(errorItem.ElementValue))
+                    {
+                        // replace ITEM_VALUE => e.ElementValue
+                        resultString = resultString.Replace("@ITEM_VALUE", errorItem.ElementValue, StringComparison.OrdinalIgnoreCase);
+                    }
+
+                    var itemErrorText = GetTextByToken(errorItem.ErrorMessageToken);
+                    if (!string.IsNullOrEmpty(itemErrorText))
+                    {
+                        // attach itemErrorText
+                        resultString += " " + itemErrorText;
+                    }
+
+                    _logger.Debug($"resultString: [{resultString}]");
+                    resultList.Add(resultString);
+                }
+
+                // wenn ergebnisse vorliegen, in html transformieren und anhängen
+                if (resultList.Count > 0)
+                {
+                    var htmlResultString = "<ul>";
+                    foreach (var resultItem in resultList)
+                    {
+                        htmlResultString += " <li>" + resultItem + "</li>" + Environment.NewLine;
+                    }
+                    htmlResultString += " </ul>";
+
+                    oMessage += " " + htmlResultString;
+                }
+               
                 return new ValidationResponse()
                 {
                     status = RESPONSE_ERROR,
-                    message = oMessage,
-                    errors = oErrors
+                    message = oMessage
                 };
             }
             catch (Exception ex)
@@ -450,6 +485,39 @@ namespace ZUGFeRDRESTService.Controllers
             }
         }
 
+        /// <summary>
+        /// Holt sprachgenauen Text anhand eines Titel-Tokens
+        /// </summary>
+        /// <returns></returns>
+        private string GetTextByToken(string tokenValue)
+        {
+            RejectionStringRow stringRow = null;
+
+            if (!string.IsNullOrEmpty(tokenValue))
+            {
+                stringRow = _RecjectionMessageList.Where(i => i.Title.Equals(tokenValue, StringComparison.OrdinalIgnoreCase) &&
+                                                        i.Language.Equals(_UserLanguageCode, StringComparison.OrdinalIgnoreCase)).FirstOrDefault();
+
+                if (stringRow == null &&
+                    !_UserLanguageCode.Equals(GERMAN, StringComparison.OrdinalIgnoreCase))
+                {
+                    // Wenn kein sprachgenauer Text vorliegt, hole den deutschen Text.
+                    stringRow = _RecjectionMessageList.Where(i => i.Title.Equals(tokenValue, StringComparison.OrdinalIgnoreCase) &&
+                                                                i.Language.Equals(GERMAN, StringComparison.OrdinalIgnoreCase)).FirstOrDefault();
+                }
+            }
+
+            string retValue = string.Empty;
+
+            if (stringRow != null)
+            {
+               retValue = !string.IsNullOrEmpty(stringRow.String1) ? stringRow.String1.Trim() : string.Empty;
+            }
+
+            _logger.Debug($"Token [{tokenValue}] - String1 [{retValue}]");
+            return retValue;
+        }
+
         /// <summary>
         /// Hier wird eine externe Prozedur gerufen, PRCUST_INV_CHECK_FROM_PORTAL,
         /// die das Ergebnis der Referenzpruefung liefert.
@@ -975,16 +1043,5 @@ namespace ZUGFeRDRESTService.Controllers
                     return "20010";
             }
         }
-
-        private string GetRejectionCodeNumber(string rejectionCode)
-        {
-            if (rejectionCode.StartsWith("REFERENCES_Rejection_"))
-            {
-                var retValue = rejectionCode.Replace("REFERENCES_Rejection_", "");
-                return retValue;
-            }
-
-            return rejectionCode;
-        }
     }
 }