Now I have new error as...

Fatal error: Exception code=C00000FD @ 15/01/2002 01:24:01 PM. Error log file: D:\Program Files\Microsoft Visual FoxPro 7\vfp7err.log
Called from - billing.pageframe1.page1.command2.gotfocus line 20 {d:\documents and settings\all users\documents\softmart\accsoft\front.sct d:\documents and settings\all users\documents\softmart\accsoft\front.sct}
Called from - billing.pageframe1.page1.text3.lostfocus line 23 {d:\documents and settings\all users\documents\softmart\accsoft\front.sct d:\documents and settings\all users\documents\softmart\accsoft\front.sct}
Called from - do line 205 {d:\softhouse\project\copy of softmart\accsoft\accsoft.prg d:\softhouse\project\copy of softmart\accsoft\accsoft.fxp}
Called from - ON... line 0 { }
Called from - accsoft line 57 {d:\softhouse\project\copy of softmart\accsoft\accsoft.prg d:\softhouse\project\copy of softmart\accsoft\accsoft.fxp}

How to follow for this help? Thank for help.
Regards
Suppachai klungkaew.