On Mon, Oct 2, 2017, at 11:37 AM, Eric S Fraga wrote: > On Monday, 2 Oct 2017 at 10:24, Peter Davis wrote: > > [...] > > > I added (gnuplot . t) to my org-babel-load-languages, and now I'm back > > to > > > > Wrong type argument: arrayp, nil > > Very strange. Try M-x toggle-debug-on-error RET and then post a > backtrace? Attached. > Also maybe post your complete example. I'm using the same t.org file you sent a couple of days ago. > What versions of gnuplot and org do you have installed? Gnuplot says it's V5.2, patchlevel 0 Org version is 9.0.9 By the way, I tried filling in a tint value in the first row, and a PSA value for the middle row, but got the same error. Thanks! -pd -- Peter Davis www.techcurmudgeon.com