It seems that this should be a simple fix, but I am having no luck in figuring it out. Here’s a snippet of the code although I don't think it is that helpful(the bold line is where the error occurs):
Sheets("Info").Select
Workbooks(Range("Info!D12").Value).Sheets("BidItems2003").Range("C3:J2500").AdvancedFilter _
Action:=xlFilterCopy, CriteriaRange:=Range("S12:S13"), CopyToRange _
:=Range("S15:Z20"), Unique:=True
DialogSheets("ItemDial").ListBoxes(1).Enabled = True
DialogSheets("ItemDial").EditBoxes(2).Enabled = True
DialogSheets("ItemDial").EditBoxes(2).Text = Range("Info!W16").Value
DialogSheets("ItemDial").EditBoxes(2).Enabled = False
DialogSheets("ItemDial").EditBoxes(3).Enabled = True
DialogSheets("ItemDial").EditBoxes(3).Text = Range("Info!V16").Value
DialogSheets("ItemDial").EditBoxes(3).Enabled = False
DialogSheets("ItemDial").CheckBoxes(1).Enabled = True