....

apps/knowledge/serializers.py

@@ -35,4 +35,8 @@ class KnowledgeBaseFeedbackSerializer(serializers.ModelSerializer):
 
     class Meta:
         model = KnowledgeBaseFeedback
-        fields = "__all__"
+        fields = "__all__"
+
+    def create(self, validated_data):
+        instance = super(KnowledgeBaseFeedbackSerializer, self).create(validated_data)
+        return instance