DEFINE DIALOG oDlg SIZE 500,300 TITLE 'TEST'
@ 1, 2 SAY oSay PROMPT "Label:" OF oDlg SIZE 70, 20 DESIGN

Executing the above code generates error:
Application
===========
Path and name: Z:\hb30\gagan\compaqt\compaqt.exe (32 bits)
Size: 5,807,616 bytes
Compiler version: Harbour 3.2.0dev (Rev. 17516)
FiveWin Version: FWH 12.08
Windows version: 6.1, Build 7601 Service Pack 1

Time from start: 0 hours 0 mins 6 secs
Error occurred at: 11/12/2012, 23:10:21
Error description: Error FiveWin/6 Cannot create window or control:
Class: TWINDOW
Caption:
System Error: Cannot create a top-level child window.

Stack Calls

Called from: .\source\classes\WINDOW.PRG => WNDCREATEERROR( 753 )
Called from: .\source\classes\WINDOW.PRG => TWINDOW:CREATE( 734 )
Called from: .\source\classes\WINDOW.PRG => TWINDOW:NEW( 819 )
Called from: .\source\classes\CONTROL.PRG => TSAY:CHECKDOTS( 1333 )
Called from: .\source\classes\SAY.PRG => TSAY:NEW( 150 )

It's urgent. Please if someone can help...