Error BASE/1110 Argument error: SUBSTR

[shreck]

Em una ventana de al pasar por el get que deberia evaluar un codec block peta, el programa, FWH2.4, harbour 43 flex, sabe alguien por que
gracias, estoy muy ignorante ultimamente se aceptan ideas frescas, gracia

Called from SUBSTR(0)
Called from GET:UNTRANSFORM(604)
Called from TWINDOW:LOSTFOCUS(785)
Called from TWINDOW:KILLFOCUS(767)
Called from TWINDOW:HANDLEEVENT(1219)
Called from _FWH(2959)
Called from SETFOCUS(0)
Called from TWINDOW:GONEXTCTRL(2362)
Called from TWINDOW:KEYDOWN(2262)
Called from TWINDOW:KEYDOWN(732)
Called from TWINDOW:KEYDOWN(645)
Called from TWINDOW:HANDLEEVENT(0)
Called from TWINDOW:HANDLEEVENT(1237)
Called from _FWH(2959)
Called from DIALOGBOX(0)

[Antonio Linares]

Actualízate a una versión más reciente de Harbour, ya que se realizaron cambios en la Clase Get.