Xailer forum

Estoy intentando ordenar los controles de un formulario y se producen estos errores.

error.log
***************************** Registro de errores *****************************

Exe: C:\xailer6\Bin\Xailer.exe
Version: 6.2.0
User name: pepe
Computer name: PERSONAL
Fecha: 12/06/2019
Hora: 11:39:24
Memoria libre: 2097151
Area actual: 1

------------------------- Información del compilador --------------------------

Versión Xailer: Xailer 6.2.0
Compilador: Harbour 3.2.0dev (r1803161710)
Compilador C/C++: MinGW GNU C 7.3 (32-bit)
Plataforma: Windows XP 5.1 SP3

----------------------- Información detallada del error -----------------------

Subsistema: BASE
Código de error: 1004
Estado: .F.
Descripción: No exported method *** El objeto es NIL o no existe ***
Operación: ISDERIVEDFROM
Argumentos: [ 1] = Tipo: U Valor: NIL [ 2] = Tipo: C Valor: TStdControl
Fichero:
Código error SO: 0

Pila de llamadas:
ISDERIVEDFROM (0)
TFOLDERPAGE:REQUESTSTATE (318)
TFOLDER:REQUESTSTATE (319)
TFORMEDITOR:REQUESTSTATE (319)
XWINCONTROL:WMSETFOCUS (242)
TSCROLLINGWINCONTROL:WMSETFOCUS (1070)
XFORM:WMSETFOCUS (793)
TFORM:WMSETFOCUS (1221)
TFORMEDITOR:WMSETFOCUS (571)
SETFOCUS (0)
TFORM:SETFOCUS (768)
(b)TFORMEDITOR (78)
TFORMEDITOR:SETFOCUS (0)
TFORM:WMCLOSE (696)
SENDMESSAGE (0)
(b)XCONTROL (101)
TFORM:SENDMSG (0)
(b)XFORM (116)
TFORM:CLOSE (0)
TBUTTON:CLICK (105)
(b)XCONTROL (156)
TBUTTON:COMMAND (0)
TSCROLLINGWINCONTROL:WMCOMMAND (275)
TFORM:WMCOMMAND (952)
TFORM:SHOWMODAL (0)
SHOWPRGERROR (466)
TFORMEDITOR:REORDER (2342)
(b)TMAINFORM_BUILDMENU (862)
TMENUITEM:ONCLICK (0)
TMENU:DOACTION (253)
TMENU:DOACTION (258)
TMAINFORM:WMCOMMAND (945)
RUNFORM (0)
TAPPLICATION:RUN (289)
MAIN (49)

hb_out.log
Application Internal Error - C:\xailer6\Bin\Xailer.exe
Terminated at: 2019-06-12 00:08:01
Unrecoverable error 9003: Too many recursive error handler calls
Called from ISDERIVEDFROM(0)
Called from TFOLDERPAGE:REQUESTSTATE(318) in WinControl.prg
Called from TFOLDER:REQUESTSTATE(319) in WinControl.prg
Called from TFORMEDITOR:REQUESTSTATE(319) in WinControl.prg
Called from XWINCONTROL:WMSETFOCUS(242) in WinControl.prg
Called from TSCROLLINGWINCONTROL:WMSETFOCUS(1070) in Controls.prg
Called from XFORM:WMSETFOCUS(793) in Form.prg
Called from TFORM:WMSETFOCUS(1221) in Controls.prg
Called from TFORMEDITOR:WMSETFOCUS(571) in FormEditor.prg
Called from MSGINFO(0)
Called from (b)XSERROR(57) in ErrorSys.prg
Called from ISDERIVEDFROM(0)
Called from TFOLDERPAGE:REQUESTSTATE(318) in WinControl.prg
Called from TFOLDER:REQUESTSTATE(319) in WinControl.prg
Called from TFORMEDITOR:REQUESTSTATE(319) in WinControl.prg
Called from XWINCONTROL:WMSETFOCUS(242) in WinControl.prg
Called from TSCROLLINGWINCONTROL:WMSETFOCUS(1070) in Controls.prg
Called from XFORM:WMSETFOCUS(793) in Form.prg
Called from TFORM:WMSETFOCUS(1221) in Controls.prg
Called from TFORMEDITOR:WMSETFOCUS(571) in FormEditor.prg
Called from MSGINFO(0)
Called from (b)XSERROR(57) in ErrorSys.prg
Called from ISDERIVEDFROM(0)
Called from TFOLDERPAGE:REQUESTSTATE(318) in WinControl.prg
Called from TFOLDER:REQUESTSTATE(319) in WinControl.prg
Called from TFORMEDITOR:REQUESTSTATE(319) in WinControl.prg
Called from XWINCONTROL:WMSETFOCUS(242) in WinControl.prg
Called from TSCROLLINGWINCONTROL:WMSETFOCUS(1070) in Controls.prg
Called from XFORM:WMSETFOCUS(793) in Form.prg
Called from TFORM:WMSETFOCUS(1221) in Controls.prg
Called from TFORMEDITOR:WMSETFOCUS(571) in FormEditor.prg
Called from MSGINFO(0)
Called from (b)XSERROR(57) in ErrorSys.prg
Called from ISDERIVEDFROM(0)
Called from TFOLDERPAGE:REQUESTSTATE(318) in WinControl.prg
Called from TFOLDER:REQUESTSTATE(319) in WinControl.prg
Called from TFORMEDITOR:REQUESTSTATE(319) in WinControl.prg
Called from XWINCONTROL:WMSETFOCUS(242) in WinControl.prg
Called from TSCROLLINGWINCONTROL:WMSETFOCUS(1070) in Controls.prg
Called from XFORM:WMSETFOCUS(793) in Form.prg
Called from TFORM:WMSETFOCUS(1221) in Controls.prg
Called from TFORMEDITOR:WMSETFOCUS(571) in FormEditor.prg
Called from MSGINFO(0)
Called from (b)XSERROR(57) in ErrorSys.prg
Called from ISDERIVEDFROM(0)
Called from TFOLDERPAGE:REQUESTSTATE(318) in WinControl.prg
Called from TFOLDER:REQUESTSTATE(319) in WinControl.prg
Called from TFORMEDITOR:REQUESTSTATE(319) in WinControl.prg
Called from XWINCONTROL:WMSETFOCUS(242) in WinControl.prg
Called from TSCROLLINGWINCONTROL:WMSETFOCUS(1070) in Controls.prg
Called from XFORM:WMSETFOCUS(793) in Form.prg
Called from TFORM:WMSETFOCUS(1221) in Controls.prg
Called from TFORMEDITOR:WMSETFOCUS(571) in FormEditor.prg
Called from MSGINFO(0)
Called from (b)XSERROR(57) in ErrorSys.prg
Called from ISDERIVEDFROM(0)
Called from TFOLDERPAGE:REQUESTSTATE(318) in WinControl.prg
Called from TFOLDER:REQUESTSTATE(319) in WinControl.prg
Called from TFORMEDITOR:REQUESTSTATE(319) in WinControl.prg
Called from XWINCONTROL:WMSETFOCUS(242) in WinControl.prg
Called from TSCROLLINGWINCONTROL:WMSETFOCUS(1070) in Controls.prg
Called from XFORM:WMSETFOCUS(793) in Form.prg
Called from TFORM:WMSETFOCUS(1221) in Controls.prg
Called from TFORMEDITOR:WMSETFOCUS(571) in FormEditor.prg
Called from MSGINFO(0)
Called from (b)XSERROR(57) in ErrorSys.prg
Called from ISDERIVEDFROM(0)
Called from TFOLDERPAGE:REQUESTSTATE(318) in WinControl.prg
Called from TFOLDER:REQUESTSTATE(319) in WinControl.prg
Called from TFORMEDITOR:REQUESTSTATE(319) in WinControl.prg
Called from XWINCONTROL:WMSETFOCUS(242) in WinControl.prg
Called from TSCROLLINGWINCONTROL:WMSETFOCUS(1070) in Controls.prg
Called from XFORM:WMSETFOCUS(793) in Form.prg
Called from TFORM:WMSETFOCUS(1221) in Controls.prg
Called from TFORMEDITOR:WMSETFOCUS(571) in FormEditor.prg
Called from MSGINFO(0)
Called from (b)XSERROR(57) in ErrorSys.prg
Called from ISDERIVEDFROM(0)
Called from TFOLDERPAGE:REQUESTSTATE(318) in WinControl.prg
Called from TFOLDER:REQUESTSTATE(319) in WinControl.prg
Called from TFORMEDITOR:REQUESTSTATE(319) in WinControl.prg
Called from XWINCONTROL:WMSETFOCUS(242) in WinControl.prg
Called from TSCROLLINGWINCONTROL:WMSETFOCUS(1070) in Controls.prg
Called from XFORM:WMSETFOCUS(793) in Form.prg
Called from TFORM:WMSETFOCUS(1221) in Controls.prg
Called from TFORMEDITOR:WMSETFOCUS(571) in FormEditor.prg
Called from SENDMESSAGE(0)
Called from (b)XCONTROL(101) in Control.prg
Called from TERRORFORM:SENDMSG(0) in Control.prg
Called from (b)XFORM(116) in Form.prg
Called from TERRORFORM:CLOSE(0) in Form.prg
Called from TBUTTON:CLICK(105) in Button.prg
Called from (b)XCONTROL(156) in Control.prg
Called from TBUTTON:COMMAND(0) in Control.prg
Called from TSCROLLINGWINCONTROL:WMCOMMAND(275) in WinControl.prg
Called from TERRORFORM:WMCOMMAND(952) in Form.prg
Called from TERRORFORM:SHOWMODAL(0)
Called from SHOWERROR(122) in ErrorSys.prg
Called from XSERROR(92) in ErrorSys.prg
Called from (b)ERRORSYS(26) in ErrorSys.prg
Called from ISDERIVEDFROM(0)
Called from TFOLDERPAGE:REQUESTSTATE(318) in WinControl.prg
Called from TFOLDER:REQUESTSTATE(319) in WinControl.prg
Called from TFORMEDITOR:REQUESTSTATE(319) in WinControl.prg
Called from XWINCONTROL:WMSETFOCUS(242) in WinControl.prg
Called from TSCROLLINGWINCONTROL:WMSETFOCUS(1070) in Controls.prg
Called from XFORM:WMSETFOCUS(793) in Form.prg
Called from TFORM:WMSETFOCUS(1221) in Controls.prg
Called from TFORMEDITOR:WMSETFOCUS(571) in FormEditor.prg
Called from SETFOCUS(0)
Called from TFORM:SETFOCUS(768) in Form.prg
Called from (b)TFORMEDITOR(78) in FormEditor.prg
Called from TFORMEDITOR:SETFOCUS(0) in FormEditor.prg
Called from TFORM:WMCLOSE(696) in Form.prg
Called from SENDMESSAGE(0)
Called from (b)XCONTROL(101) in Control.prg
Called from TFORM:SENDMSG(0) in Control.prg
Called from (b)XFORM(116) in Form.prg
Called from TFORM:CLOSE(0) in Form.prg
Called from TBUTTON:CLICK(105) in Button.prg
Called from (b)XCONTROL(156) in Control.prg
Called from TBUTTON:COMMAND(0) in Control.prg
Called from TSCROLLINGWINCONTROL:WMCOMMAND(275) in WinControl.prg
Called from TFORM:WMCOMMAND(952) in Form.prg
Called from TFORM:SHOWMODAL(0)
Called from SHOWPRGERROR(466) in Util.prg
Called from TFORMEDITOR:REORDER(2342) in FormEditor.prg
Called from (b)TMAINFORM_BUILDMENU(862) in Main.prg
Called from TMENUITEM:ONCLICK(0) in Events.prg
Called from TMENU:DOACTION(253) in Menu.prg
Called from TMENU:DOACTION(258) in Menu.prg
Called from TMAINFORM:WMCOMMAND(945) in Form.prg
Called from RUNFORM(0)
Called from TAPPLICATION:RUN(289) in Application.prg
Called from MAIN(49) in Ide.prg
------------------------------------------------------------------------
Saludos.
Pepe.