Resetting Tabs

I'm working on a tab setting editor with the eventual goal of making this is control. I've been able to parse the selected paragraphs for their tab stops and list them properly.
When I delete tabs I'm getting an out of bounds error immediately after I save the tabs back to the each selected paragraph. 

The save is this:
======Code Snip=======
  oParagraphs = mFTC.getDoc.getSelectedParagraphs

  for j as integer = 0 to oParagraphs.Ubound

    oParagraphs(j).clearTabStops

    for i as integer = 0 to lbTabs.ListCount-1
oParagraphs(j).addTabStop FTTabStop.TAB_LEFT, val(lbTabs.cell(i, 1)) 

    next

  next

======End Snip=======
So my issue is that after I return from this event, I'm getting a nil object exception when I click anywhere else or let a timer check text/ paragraph attributes. Immediately after I save the tab stops I'm calling ftc.fullUpdate. 

The error in question occurs is FTParagraph.CopyParagraphStyle.

  ' Clone the tab stops.
  for i = 0 to count

    ' Clone the tab stop.
tabStops(i) = tabStops(i).clone //tabstops contains nothing but nil tabstops, but 8 of em! 

  next


Is there something I need to do differently to flush the tabstops?

Let me know if you need any additional information.

Thanks,
Bob Keeney
BKeeney Software Inc.

FTC Website: www.truenorthsoftware.com/Realbasic/FormattedText.html
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