After importing a Sibelius XML, the Instruments names are incorrect, so I am trying to fix this. However, I am not able to rename them as would like to in Setup Mode. After renaming them, they reset again to the wrong name. I tried the option Edit Names and Rename, but the wrong name stays as it is in the score.
This is what I would like to see:
And this is what I see in the score:
Any suggestions how to fix this?