Starting lilypond-windows.exe 2.21.3 [Untitled]...
Processing `C:/Users/Pierre/AppData/Local/Temp/frescobaldi-j9twxm1l/tmpm7q61u5n/
document.ly'
Parsing...
Interpreting music...
Preprocessing graphical objects...
Finding the ideal number of pages...
Fitting music on 1 page...
Drawing systems...
Converting to `document.pdf'...
C:/Program Files (x86)/LilyPond 2-21-3_bis/usr/share/lilypond/current/scm/backend-library.scm:108:5: In procedure rename-file in _expression_ (rename-file pdf-name dest):
C:/Program Files (x86)/LilyPond 2-21-3_bis/usr/share/lilypond/current/scm/backend-library.scm:108:5: File exists
Exited with return code 1.