JohnCorrie wrote: > I am running J504 / 2005-03-30 / 13.35. > > I tried to start the Linear Algebra Lab and got an error: > > WD handler. > > Error in labsel-listbox-button > > Rank error: gets all=:]`([ gets<:@:[all])@.([>0:) [-78] > > In spite of the error message, the first page of the Lab comes up, but when > I press Ctrl J for the next page another error message appears: > > WD handler. > > Error in jijs_jctrl_fkey > > Rank error: gets all=: . . . . as above. > > Any suggestions?
The most likely explanation is that existing definitions in the session make the lab fail. Try restarting J, then running the lab. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
