diff --git a/IRaCIS.Core.Application/Service/Reading/_MapConfig.cs b/IRaCIS.Core.Application/Service/Reading/_MapConfig.cs
index 004426dcf..dfa292f60 100644
--- a/IRaCIS.Core.Application/Service/Reading/_MapConfig.cs
+++ b/IRaCIS.Core.Application/Service/Reading/_MapConfig.cs
@@ -75,7 +75,8 @@ namespace IRaCIS.Core.Application.Service
             CreateMap<UserWLTemplate, UserWLTemplateAddOrEdit>().ReverseMap();
 
             CreateMap<ReadingPeriodSetAddOrEdit, ReadingPeriodSet>();
-            CreateMap<ReadingTableQuestionAnswer, TableQuestionAnswerInfo>().ReverseMap();
+            CreateMap<ReadingTableQuestionAnswer, TableQuestionAnswerInfo>().ReverseMap()
+                .ForMember(dest => dest.CreateUser, opt => opt.Ignore());
             CreateMap<ReadingTableQuestionAnswer, TableQuestionAnswerInfo>()
                     .ForMember(d => d.QuestionMark, u => u.MapFrom(s => s.ReadingTableQuestionTrial == null ? null : s.ReadingTableQuestionTrial.QuestionMark));