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I am new in latex, and I didn't know what to do after I have changed the font but it still had errors.


Package hyperref Warning: Rerun to get /PageLabels entry.


!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!
! unicode-math error: "no-font-selected"
!
! You've loaded the unicode-math ...

I have the same question and I think I have install the Helvetica Neue fond in the file named fond in the windows folder. And after restarting the computer, the coding process is still error just like before. What should I do?
Here are the warnings and errors ...