Error: Non top modal window *NULL0000000931* can't be released. Program terminated.

[fyurisich]

Error al intentar liberar un objeto de impresión:
Error: Non top modal window NULL0000000931 can't be released. Program terminated.
Llamada desde TFORMMODAL:RELEASE (2199) in h_form.prg
Llamada desde TAPPLICATION:WINMHRELEASE (2266) in h_application.prg
Llamada desde TPDFPRINT:RELEASE (365) in h_print.prg