Pablo, I was able to execute the following code using jconsole. See my version info below. Perhaps, this will help.
QA=: {&a.@(a.&i.@]+[QI 26"_) QI=: ?.@$ Fcat=:161 38 QA 'a' load'plot' ('xlabel ',,Fcat,.' ') plot ?161#100 JVERSION Engine: j903/j64/darwin Release-b: commercial/2022-01-28T04:11:24 Library: 9.03.08 Platform: Darwin 64 Installer: J903 install InstallPath: /users/brian/j903 Contact: www.jsoftware.com On Tue, Oct 25, 2022 at 5:21 PM Pablo Landherr <pablo.landh...@gmail.com> wrote: > As the discussion seems to have ended, it seems to me that the only remedy, > i.e. to not have J crash in case I give *plot* incorrect parameters, is to > revert to an older J-version as the problem was not present when I ran > J602. Can anyone advise on how far back I should go? 602 or would 701 or J8 > series be ok? > > Kind regards, > Pablo Landherr > > -- (B=) ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm