Bug report: Help Center page links to 404

Page: https://help.imdb.com/article/contribution/filmography-credits/credit-order/G8QZ9QSY5EVKAPNF?ref_=helpsrall# Incorrect hyperlinks: - writers guide - Cast - Writers Page: https://help.imdb.com/article/contribution/filmography-credits/adding-filmography-credits/GAB5B33MBLEG73CT?ref_=helpsrall# Incorrect hyperlinks: - How do I add an episodic credit? Additionally, on the latter page, URLs linking to additional pages have different behaviors. Some of them open a separate tab, while others open in the same tab and interrupt the article of initial interest.