diff --git a/redaction-service-v1/redaction-service-server-v1/src/main/java/com/iqser/red/service/redaction/v1/server/rulesmanagement/factory/RuleFileParser.java b/redaction-service-v1/redaction-service-server-v1/src/main/java/com/iqser/red/service/redaction/v1/server/rulesmanagement/factory/RuleFileParser.java
index c32d067d..db0ece77 100644
--- a/redaction-service-v1/redaction-service-server-v1/src/main/java/com/iqser/red/service/redaction/v1/server/rulesmanagement/factory/RuleFileParser.java
+++ b/redaction-service-v1/redaction-service-server-v1/src/main/java/com/iqser/red/service/redaction/v1/server/rulesmanagement/factory/RuleFileParser.java
@@ -4,6 +4,7 @@ import static java.util.stream.Collectors.groupingBy;
 
 import java.io.File;
 import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
@@ -118,18 +119,19 @@ public class RuleFileParser {
 
     private List<RuleUnit> groupingByGroup(List<BasicRule> rules) {
 
-        try {
-            Map<Integer, List<BasicRule>> rulesPerUnit = rules.stream()
-                    .collect(groupingBy(rule -> rule.identifier().unit()));
+        Map<Integer, List<BasicRule>> rulesPerUnit = rules.stream()
+                .collect(groupingBy(rule -> rule.identifier().unit()));
+        if (rulesPerUnit.keySet() != null) {
+
             return rulesPerUnit.keySet()
                     .stream()
                     .sorted()
                     .map(unit -> new RuleUnit(unit, rulesPerUnit.get(unit)))
                     .collect(Collectors.toList());
-        } catch (NullPointerException e) {
-            System.out.println(rules);
-            throw e;
+        } else {
+            return new ArrayList<>();
         }
+
     }