Wattpad is owned by the Korean tech giant Naver (Webtoon). They are aggressively moving toward a subscription model. Consequently, anti-scraping measures will intensify.
If you are looking for a reliable way to convert Wattpad content to EPUB or PDF, these established tools are frequently recommended by communities like r/DataHoarder : wattpad2anyconverter115beta better
Have you tried wattpad2anyconverter115beta? Let me know in the comments how it compares to your old method. Wattpad is owned by the Korean tech giant Naver (Webtoon)