[Editing page Hyperlinks not working properly]

I use Publisher to compile a handbook for a community association that I belong to. I set up a timetable with name of activities in the appropriate time slots. I then tried to set up a hyperlink from each name to a more detailed description elsewhere in the document. Some worked and some didn't (sending the user to what seemed to be random destinations). I tried using both page links and anchor based links. My system is Mac based, with a 2019 iMac. Is there anytning I can try?