it doesn't start

[Jorge Maldonado Ventura]

/usr/games/fretsonfire: 5: ./FretsOnFire.py: not found

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: fretsonfire 1.3.110.dfsg2-5ubuntu1
ProcVersionSignature: Ubuntu 5.11.0-25.27~20.04.1-generic 5.11.22
Uname: Linux 5.11.0-25-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.18
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Wed Aug 18 13:11:35 2021
InstallationDate: Installed on 2020-08-07 (376 days ago)
InstallationMedia: Slimbook OS 20.04 LTS (20200807)
PackageArchitecture: all
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=es_ES.UTF-8
 SHELL=/bin/bash
SourcePackage: fretsonfire
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.default.apport:
 # set this to 0 to disable apport, or to 1 to enable it
 # you can temporarily override this with
 # sudo service apport start force_start=1
 enabled=0
mtime.conffile..etc.default.apport: 2020-08-06T12:33:01