Jump to the invalid address stated on the next line
  Upp::GridCtrl::Paint(Upp::Draw&) 0x59D59E /home/ssg/dvlp/cpp/upp/svn/out/GCC.Debug.Debug_full.Gui.Shared/sf_l10n
      0x0  
     /home/ssg/dvlp/cpp/upp/svn/uppsrc/GridCtrl/GridCtrl.cpp:1417

val = hi.IsConvertion() && vi.IsConvertion() ? GetConvertedColumn(id, it.val) : it.val;

Value GridCtrl::GetConvertedColumn(int col, const Value &v) const
{
	Convert *conv = edits[col].convert; // Seems to return invalid address ...
	return conv ? conv->Format(v) : v;
}