its weird but it worked. on anothe consolidated macro i did not have to declare the sheet. but the sheets were on all the same workbook. this macro the sheets are on different workbooks that needs to be consolidated. Chandoo's consolidated macro works but is not for dynamic range. it is strictly for fixed ranges. i was trying to modify his macro for dynamic ranges.
 
what about this.  do i need to declare this range as well. i really appreciate your help.
 
TargetSh.Range(DestCell.Address).Select
 
below is the full macro again:
-----------------------------------
Sub GetData()
  Dim strWhereToCopy As String, strStartCellColName As String
  Dim strListSheet As String, ActualRow As Long, sh As Worksheet, TargetSh As Worksheet
  Dim DestCell As Range, LastRow As Long
  
  strListSheet = "List"
  Application.ScreenUpdating = False
  Application.DisplayAlerts = False
  
  
  'Delete the sheet "SUMMARY" if it exists
  Application.DisplayAlerts = False
  On Error Resume Next
  ActiveWorkbook.Worksheets("MasterData").Delete
  On Error GoTo 0
  Application.DisplayAlerts = True
  
  On Error Resume Next
  Set TargetSh = Worksheets("MasterData")
  On Error GoTo 0
  If TargetSh Is Nothing Then
  Set TargetSh = Worksheets.Add(before:=Sheets(1))
  TargetSh.Name = "MasterData"
  Else
  TargetSh.Cells.Clear
  End If
  
  Set DestCell = TargetSh.Range("A2")
  Set DestCell = DestCell.Offset(1, 0)
  
  On Error GoTo ErrH
  Sheets(strListSheet).Select
  Range("b2").Select
  
  'this is the main loop, we will open the files one by one and copy their data into the masterdata sheet
  Set currentWB = ActiveWorkbook
  Do While ActiveCell.Value <> ""
  
  strFileName = ActiveCell.Offset(0, 1)
  'strCopyRange = ActiveCell.Offset(0, 2) & ":" & ActiveCell.Offset(0, 3)
  'strWhereToCopy = ActiveCell.Offset(0, 4).Value
  'strStartCellColName = Mid(ActiveCell.Offset(0, 5), 2, 1)
  
  
  Application.Workbooks.Open strFileName, UpdateLinks:=False, ReadOnly:=True
  Set dataWB = ActiveWorkbook
  Set sh = Sheets("Daily Activity")
  'activate daily activity sheet
  Sheets("Daily Activity").Activate
  
  'select usedrange to copy
  LastRow = Sheets("Daily Activity").Range("D500").End(xlUp).Row
  If LastRow > 1 Then
  sh.Range("B7:Y" & LastRow).Copy
  TargetSh.Range(DestCell.Address).Select
  Selection.PasteSpecial Paste:=xlPasteValues, Operation:=xlNone, SkipBlanks _
  :=False, Transpose:=False
  Set DestCell = DestCell.Offset(LastRow - 8)
  End If
  
  'activates master summary sheet
  currentWB.Activate
  
  Loop
  
  Exit Sub
  Application.DisplayAlerts = True
  Application.ScreenUpdating = True
ErrH:
  MsgBox "It seems some file was missing. The data copy operation is not complete."
  Exit Sub
End Sub