Thank you to the people that commented in the NovelUpdates forum, thanks to that I managed to most likely identify the problem, although resolving it is still another matter.
For the time being I opened up the comment section for unregistered users too, although the spam filter tends to catch most of them, so it will take some time until I approve them and they appear.
I will continue to work on trying to fix the problem, but in the meantime, here is the next chapter: