Fehlermeldungen angefanegn.

src/main/java/de/uniluebeck/mi/projmi6/hapi2/HL7Recever2.java

@@ -1,5 +1,7 @@
 package de.uniluebeck.mi.projmi6.hapi2;
 
+import ca.uhn.hl7v2.AcknowledgmentCode;
+import ca.uhn.hl7v2.ErrorCode;
 import ca.uhn.hl7v2.HL7Exception;
 import ca.uhn.hl7v2.model.AbstractMessage;
 import ca.uhn.hl7v2.model.Message;
@@ -60,6 +62,14 @@ public class HL7Recever2<T extends AbstractMessage> implements ReceivingApplicat
         }
     }
 
+    private Message generateACKWithAR(Message message, String s) throws HL7Exception {
+        try {
+            return message.generateACK(AcknowledgmentCode.AR, new HL7Exception(s, ErrorCode.TABLE_VALUE_NOT_FOUND));
+        } catch (IOException e) {
+            throw new HL7Exception(e);
+        }
+    }
+
     private Message processBAR_P05(Message message, Map<String, Object> metadata) throws HL7Exception {
         Patient patient = new Patient();
         List<Fall> faelle = new ArrayList<>();