Hi Readers, In This article we will discuss how to resolve an Issue that we face During Creation of a RDLC Report. Applies To - NAV 2009 and Later (RDLC Reports) Scenario - You are creating Say a Document Report. There are multiple tables in Body. For Linking these tables you put all these tables inside a List. When You want to save the Report, You get an Error Message - Error while validating RDL content: The tablix ‘Tablix1’ has a detail member with inner members. Detail members can only contain static inner members.