I have found I have the same issue with some but not all torrents on the gaytor.rent. I can get the torrent to work properly by looking it up on the gaytor.rent page and redownloading from there.

I've been reading some of the complaints - I'm a computer consultant by "trade" - and this strikes me as potentially a memory issue... depending on the code base/technology used, they may need more RAM, more SWAP, or more HEAP space...

I don't know how else to posit this tidbit of insight - and the Site admin has probably already considered this - but there! Now its out there...

"download the text file instead"

If you downloaded a torrent file belongs to torrent then it should contains the data after trying to open w/ your client
by changing its properties to {.torrent} ...

This is a critical task changing files property to other file type association if you're not aware of ...
or see:
https://www.digitaltrends.com/computing/how-to-change-file-associations/

To do this or change properties on Windows Explorer or Folder ...
click on Tools / Folder Options / View /
point to Show hidden files, folders, and drives ...
uncheck Hide empty drives in the Computer folder ...
uncheck Hide extensions for known file types ...
Then hit enter / Hidden Files properties are visible ...

To revert changes or to restore default folder
click on View / Restore Defaults ...
Then hit Apply and OK ...

Ex:

Locate the torrent file you downloaded and rename {.txt} to {.torrent}
If the file is valid torrent then it will open from your client showing content ...
If the file is not valid then you'll get a message, torrent is not valid bencoding ..

Unfortunately there is nothing you can do but to delete the file ...
see:
https://it-qa.com/what-is-bencoding-error/
https://en.wikipedia.org/wiki/Bencode