That url redirects here:
https://www.aggo-conicet.gob.ar/index.php?Idioma=EN
Which reads "site under construction".
*) That might have something to do with your problem.
I do not recall that I ever intended for this to be used on a K3.
IIRC, It is for K5 and newer.
*) That might have something to do with your problem.
*) I don't recall that the script ever produced the time and date on a readable output, it only changed the internal settings (yep, it changes both of them which was the purpose).
But the details of anything I wrote 7 years ago is total gone from my recall. (see: avatar)