Old meeting title remains permanently for all other meetings.

When any participant enter to the Waiting room in any meeting I program (and all meetings have different titles or names) they only watch one title I made 3 years ago! And that title they watch do not change! How can I (or anyone!) fit it? I have not found any command or field to do it. I think it is a program error. I submitted a claim but Zoom support do not answer! What can I do? Thanks.