you have to click download before copying the code. did you?

It seems like you copied the monasteries wrap-around symbol + and fed it to the beast.

> key exists in the hash %{"2023-01-01"}

For me it's a good hint what's wrong, tho.

Alas ChatGPT was trained with human text not Perl code, that's what makes this whole discussion bogus.

It doesn't grasp that dia and horarios are Spanish for what "2023-01-01" and "00:00" stand for and thinks %{"2023-01-01"} is a legit hash.