Custom Report error

JobTraveler…

Trying to link JobHead.JobCode to OrderHed.OrderNum and OrderHed.CustNum to Customer.CustNum. Everything works until I add the field Customer.Name - the System Monitor reports:
Query execution failed for dataset ‘JobHead’. —> System.Data.SqlClient.SqlException: Invalid column name ‘Name’.

Here is the query:
=“SELECT T1.DueDate,T1.IUM,T1.ProdQty,T1.ReqDueDate,T1.StartDate,T1.Calc_MultiJobParts,T1.Calc_OrderQty,T1.Calc_StockQty, T2.AssemblySeq,T2.BomSequence,T2.Company,T2.[Description],T2.DrawNum,T2.IUM as JobAsmbl_IUM,T2.JobNum,T2.OverRunQty,T2.PartNum,T2.PullQty,T2.RequiredQty,T2.RevisionNum,T2.Calc_BCAsmSeq,T2.Calc_BCJobNum,T2.Calc_BCPartNum,T2.Calc_BCRevNum,T2.Calc_comment, T3.CommentText,T3.Instructions,T3.DaysOut,T3.DueDate as JobOper_DueDate,T3.EstProdHours,T3.EstSetHours,T3.Machines,T3.OpCode,T3.OpDesc,T3.OprSeq,T3.PrimaryProdOpDtl,T3.PrimarySetupOpDtl,T3.ProdStandard,T3.RunQty,T3.StartDate as JobOper_StartDate,T3.StdFormat,T3.Calc_BCOpCode,T3.Calc_BCOprSeq,T3.Calc_DispStatus,T3.Calc_OPText,T3.Calc_OPType,T3.Calc_PurPoint,T3.Calc_VendorId,T3.Calc_VendorName,T3.OpCode_OpDesc, T4.CapabilityID,T4.ConcurrentCapacity,T4.DailyProdRate,T4.OpDtlSeq,T4.ProdCrewSize,T4.ResourceGrpID,T4.ResourceID,T4.SetUpCrewSize,T4.SetupOrProd,T4.Calc_BCCapabilityID,T4.Calc_BCResGrpID,T4.Calc_BCResourceID,T4.Calc_CapbltyDesc,T4.Calc_ResDesc,T4.Calc_ResGrpDesc,T4.Calc_SchedResDesc,T4.Calc_SchedResGrpDesc,T4.Calc_SchedResGrpID,T4.Calc_SchedResID, T5.ResourceGrpID as ResourceTimeUsed_ResourceGrpID,T5.ResourceID as ResourceTimeUsed_ResourceID,T5.WhatIf
, T7.OrderNum, T7.CustNum, T8.Name FROM JobHead_” + Parameters!TableGuid.Value + " T1
LEFT OUTER JOIN JobAsmbl_" + Parameters!TableGuid.Value + " T2
ON T1.Company = T2.Company AND T1.JobNum = T2.JobNum
LEFT OUTER JOIN JobOper_" + Parameters!TableGuid.Value + " T3
ON T2.Company = T3.Company AND T2.JobNum = T3.JobNum AND T2.AssemblySeq = T3.AssemblySeq
LEFT OUTER JOIN JobOpDtl_" + Parameters!TableGuid.Value + " T4
ON T3.Company = T4.Company AND T3.JobNum = T4.JobNum AND T3.AssemblySeq = T4.AssemblySeq AND T3.OprSeq = T4.OprSeq
LEFT OUTER JOIN ResourceTimeUsed_" + Parameters!TableGuid.Value + " T5
ON T4.Company = T5.Company AND T4.JobNum = T5.JobNum AND T4.AssemblySeq = T5.AssemblySeq AND T4.OprSeq = T5.OprSeq AND T4.OpDtlSeq = T5.OpDtlSeq
LEFT OUTER JOIN OrderHed_" + Parameters!TableGuid.Value + " T7
ON T1.Company = T7.Company AND T1.JobCode = T7.OrderNum
LEFT OUTER JOIN Customer_" + Parameters!TableGuid.Value + " T8
ON T1.Company = T8.Company AND T7.CustNum = T8.CustNum"

Simple stuff to check?
You added the Customer table to the RDD with a relationship type “Output”
and the fields you want are not excluded?

You can’t exclude the columns used by relationships either.

And you added the query field for Cust Name? More than once have I thought I clicked Add Query Field, when I actually added a cal field by accident.