Cannot find a way to separate instruments from full score to print parts

[estudiocaribe]

Hello, I’m in big trouble now. I wrote a project using the Jazz Band template, and I have not found a way to separate parts. When I go to the tab in the top to select the instruments, I only see Full score and 3 other instruments I added to the project template, BUT I don’t see the different horns to print the parts, I need to find a way to isolate each part. PLEASE HELP

[arco]

Are you able to upload it here for someone to check (either the file or a cut down version of it)?
You see all the instruments in Setup, left panel?

[estudiocaribe]

Hello Arco, yes I can see all the instruments in Setup, left panel

[tom_ginsberg]

in the Setup mode look for this menu command
Create Default Part Layouts

[estudiocaribe]

Hi Tom, thank you very much. Problem solved.