'On Error Resume Next' not working

I have one procedure in excel vba code. In this I use 'ON ERROR . ' syntax. Procedure starts with ON ERROR RESUME NEXT to skips all error.
But at some point I want to change that status from ON ERROR RESUME NEXT to ON ERROR GOTO NX And again change it to ON ERROR RESUME NEXT First time its work perfectly but when the code loops for next value it halt on any error and show warning message. on error goto 0 behaves> Giving source code as well as worksheet sample data so as to clearly understand the problem to responded.

Private Sub CommandButton1_Click()'This procedure create diff. sheets of 0th group in costsheet templates 'in every 0th group sheets pint all group in order to printsrlno wise 'get the total of ledgers in next column 'get the total of group in next to next column Dim StruArr() As Variant 'Create and store once all data of GroupStruc Dim DataArr() As Variant 'Get all the Data and seek in this of whose Belongs to in ID for Columnar Display of Heads Dim R As Long Dim C As Long Dim R1 As Long Dim XtraSp Dim GrpRows As Long Application.ScreenUpdating = False Application.DisplayAlerts = False On Error Resume Next Sheets("GroupStruc").Visible = True Sheets("GroupStruc").Select GrpRows = ActiveSheet.Cells(Rows.Count, "A").End(xlUp).Row StruArr = Range("A2:D" & GrpRows) DataArr = Range("A2:D" & GrpRows) For R = 1 To UBound(StruArr, 1) ' First StruArray dimension is rows. If StruArr(R, 3) = "0" Then Sheets(StruArr(R, 2)).Delete Worksheets.Add.Name = StruArr(R, 2) XtraSp = "" + 1 Sheets(StruArr(R, 2)).Select C = 1 For R1 = R To UBound(DataArr, 1) If DataArr(R1, 3) <> 0 Then Grp = 1 Do Until DataArr(Grp, 1) = DataArr(R1, 3) Grp = Grp + 1 If Grp >= GrpRows Then Exit Do Loop XtraSp = DataArr(Grp, 2) Grp = 1 Do Until Trim(Sheets(StruArr(R, 2)).Cells(Grp, 1)) = XtraSp Grp = Grp + 1 If Grp >= GrpRows Then Exit Do Loop XtraSp = Sheets(StruArr(R, 2)).Cells(Grp, 1) XtraSp = Len(XtraSp) - Len(Trim(XtraSp)) XtraSp = Space(XtraSp + 3) End If Sheets(StruArr(R, 2)).Cells(C, 1) = XtraSp & DataArr(R1, 2) XtraSp = "" With Sheets("GroupStruc").Range("C" & R1 + 1 & ":C1000") Grp = .Find(What:=DataArr(R1, 1), _ LookIn:=xlValues, _ LookAt:=xlWhole, _ SearchOrder:=xlByRows, _ SearchDirection:=xlNext, _ MatchCase:=False) End With If WorksheetFunction.SumIf(Sheets("ExpLedgers").Range("$H:$H"), DataArr(R1, 1), Sheets("ExpLedgers").Range("$F:$F")) = 0 And Grp <> "" Then Sheets(StruArr(R, 2)).Cells(C, 3) = "G" Sheets(StruArr(R, 2)).Cells(C, 4) = Len(Sheets(StruArr(R, 2)).Cells(C, 1)) - Len(Trim(Sheets(StruArr(R, 2)).Cells(C, 1))) Else Grp1 = WorksheetFunction.SumIfs(Sheets("ExpLedgers").Range("$F:$F"), Sheets("ExpLedgers").Range("$H:$H"), DataArr(R1, 1), Sheets("ExpLedgers").Range("$A:$A"), Sheets("MainMenu").Range("F3")) Sheets(StruArr(R, 2)).Cells(C, 2) = IIf(Grp1 <> 0, Grp1, "") Grp1 = WorksheetFunction.SumIfs(Sheets("ExpLedgers").Range("$J:$J"), Sheets("ExpLedgers").Range("$H:$H"), DataArr(R1, 1), Sheets("ExpLedgers").Range("$A:$A"), Sheets("MainMenu").Range("F3")) Sheets(StruArr(R, 2)).Cells(C, 4) = IIf(Grp1 <> 0, Grp1, "") End If C = C + 1 If DataArr(R1 + 1, 3) = 0 Then Exit For Next If StruArr(R + 1, 3) = "" Then Exit For If C = 2 Then Sheets(StruArr(R, 2)).Delete Else For C = 1 To ActiveSheet.Cells(Rows.Count, "A").End(xlUp).Row If Sheets(StruArr(R, 2)).Cells(C, 4) = 0 And Sheets(StruArr(R, 2)).Cells(C, 3) = "G" Then Sheets(StruArr(R, 2)).Cells(C, 3) = "=SUBTOTAL(9,B1:B" & ActiveSheet.Cells(Rows.Count, "A").End(xlUp).Row & ")" ElseIf Sheets(StruArr(R, 2)).Cells(C, 3) = "G" Then For Grp = C + 1 To ActiveSheet.Cells(Rows.Count, "A").End(xlUp).Row If Sheets(StruArr(R, 2)).Cells(Grp, 4) = Sheets(StruArr(R, 2)).Cells(C, 4) Then Exit For End If Next Sheets(StruArr(R, 2)).Cells(C, 4) = "" Sheets(StruArr(R, 2)).Cells(C, 3) = "=SUBTOTAL(9,B" & C & ":B" & Grp - 1 & ")" End If Next End If End If On Error GoTo Nx 'COMMENT BLOCK FROM THIS If StruArr(R, 2) <> "" Then Sheets(StruArr(R, 2)).Select Rows("1:1").Select Selection.Insert Shift:=xlDown, CopyOrigin:=xlFormatFromLeftOrAbove Selection.Insert Shift:=xlDown, CopyOrigin:=xlFormatFromLeftOrAbove Range("B1:D1").Select With Selection .HorizontalAlignment = xlCenter .VerticalAlignment = xlBottom .WrapText = False .Orientation = 0 .AddIndent = False .IndentLevel = 0 .ShrinkToFit = False .ReadingOrder = xlContext .MergeCells = False End With Selection.Merge End If Sheets(StruArr(R, 2)).Columns.AutoFit 'COMMENT BLOCK UPTO THIS WILL THEN THIS PROCESS COMPLETE WITHOUT ANY ERROR Nx: On Error GoTo 0 On Error Resume Next Next R Application.ScreenUpdating = True Application.DisplayAlerts = True End Sub 

and data as following

GROUPCODE,GROUPNAME,BELONGSTO,PRINTSRLNO 1,SOURCES OF FUNDS,0,1 2,APPLICATION OF FUNDS,0,2 3,INCOME,0,3 4,EXPENDITURE,0,4 9,INDIRECT COST HEAD,4,5 27,Insurance,9,6 13,MISCELLANEOUS COST,9,7 12,INTEREST & FINANCIAL CHARGES,9,8 11,STAFF SALARY & WAGES,9,9 10,OVERHEADS,9,10 8,DIRECT COST HEAD,4,11 29,Direct Overhead Cost,8,12 5,EXECUTION COST,8,13 28,Sub Contracting,5,14 26,LAND RENT,5,15 25,LOADING / UNLOADING CHARGES,5,16 24,ROYALTY,5,17 23,TRANSPORT CHARGES,5,18 22,SECURITY CHARGES,5,19 21,TESTING CHARGES,5,20 20,SURVEY CHARGES,5,21 19,PROCESSING FEES,5,22 18,PROFESSION CHARGES,5,23 17,CONSULTANCY CHARGES,5,24 6,MATERIAL COST,8,25 7,EQUIPMENT COST,8,26 16,HIRE CHARGES,7,27 15,Repairs and Maintenance Cost,7,28 14,Running Cost,7,29