Xailer & OZ Software

Whenever I tried to click on any box within the tree, the following
error will appear and Xailer will then be closed
i.e. Project, Clean Project
Unrecoverable error 9001: Error recovery failure.
******************************* Error log file
********************************
Date: 03-13-2009
Time: 22:00:11
Available Memory: 2097151
Current Area: 1
---------------------------- Compiler Information
-----------------------------
Xailer Version: Xailer 2.0.0 Version 2.0 beta
Compiler: xHarbour build 1.2.0 Intl. (SimpLex) (Rev. 623221)
PCode Version: 9
C/C++ Compiler: Borland C++ 5.5.1 (32 bit)
Windows Platform: Windows XP Professional 5.01.2600 Service Pack 3
--------------------- Internal Error Handling Information
---------------------
Subsystem Call: BASE
System Code: 1132
Default Status: .F.
Description: Bound error
Operation: array access
Arguments: [ 1] = Type: A Val: [ 2] = Type: N Val: 1
Involved File:
Dos Error Code: 0
Trace Through:
TREECHECKSTATECHANGED (286)
(b)CLEANPROJECT (350)
TTREEVIEW:ONCHECKSTATECHANGED (0)
TTREEVIEW:WMXAILER (0)
TFORM:SHOWMODAL (0)
CLEANPROJECT (390)
(b)TMAINFORM:BUILDMENU (794)
TMENUITEM:ONCLICK (0)
TMENU:DOACTION (235)
TMENU:DOACTION (240)
TMAINFORM:WMCOMMAND (892)
RUNFORM (0)
TAPPLICATION:RUN (209)
MAIN (31)