Cheers Pedro but I'm confused - you mean a DISP of OLD ?!
I am setting up a temporary dataset in VIO ? RTDDN(EDD) RTDSN(EDS)
It's changed in my sample as I have a working example when I specify a BLKSIZE of 99999 for FB 80, I get s99msg. loaded!
I don't think that OLD is valid in this case ?