Am 26.07.2023 um 15:00 schrieb Artur T.:
    > Hi folks,
> 
> using latest git under Ubuntu yields a weird error with a loop. The
> following definitely used to work in the past but fails now with an
> "Data error".
> 
> The function get_dynamical_features() simply constructs a list of
> lags of some series. I call the function within a loop three times.
> At the second iteration it fails (see error message below).
    Hi, yes it fails here, too, and it's weird. (gretl 2023b)
      Depending on what the precise cause is, this could be a nasty bug
      indeed...
    cheers
    sven