main menu links are not working

hi, my links on the mainmenu are not working.

theme is : spa press

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I get an error message.

Error 404 | Nothing found!

Sorry, but you are looking for something that is not here.
but the links in the top menu work.
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Links on the top nav bar work fine

thanks
angie

Hi!
Have you changed your permalinks recently by any chance? You could try resaving them again anyway. Sometimes works.