URL link IMDB add on feature missing from Your List features

To the IMDB staff members, while I was adding my own user list for the video game romhacks I want to make someday. When I tried to add the NES version of Back to the Future (1989) Not the movie version of Back to the Future (1985)

I tried to use the URL IMDB page link as seen in this screenshot

However I'm unable to use the Back to the Future (1989) URL link https://www.imdb.com/title/tt2197817/?ref_=fn_al_tt_42

Which is frustrating because I liked the URL link you had for the adding to title lists and people list.

Please bring back the URL IMDB link feature for the list of people and list of titles on IMDB to be added to mine and other peoples Your List features.

Let me know if you can fix this problem, I want to get back to adding more to Your Lists including my Video Game Romhack ideas or adding specific actors I want to add but can't because I can't add the URL IMDB link to get them added to the list. Please help me fix this issue.