Error Message:
----------------------------------------
Access violation at address 00404590 in module 'IBExpert.exe'. Read of address FFFFFFFA

[00404590] System.@LStrAsg + $4
[00403BD3] System.@HandleAnyException + $33
[009607DE] dxTL.TCustomdxTreeList.Paint (Line 9416, "dxTL.pas" + 39) + $1
[0045BEEB] Controls.TCustomControl.PaintWindow (Line 8209, "Controls.pas" + 6) + $5
[00457D66] Controls.TWinControl.PaintHandler (Line 5788, "Controls.pas" + 4) + $13
[00458233] Controls.TWinControl.WMPaint (Line 5923, "Controls.pas" + 6) + $4
[004582CB] Controls.TWinControl.WMPaint (Line 5936, "Controls.pas" + 19) + $4
[0045BE84] Controls.TCustomControl.WMPaint (Line 8198, "Controls.pas" + 2) + $4
[00960A70] dxTL.TCustomdxTreeList.WndProc (Line 9513, "dxTL.pas" + 47) + $4
[00444010] Forms.StdWndProc (Line 1459, "Forms.pas" + 8) + $0
[0109288C] IBExpert.IBExpert (Line 1389, "D:\Projects_5\IBExpert\IBExpert.dpr" + 594) + $7