gout-long: command not found

Have You tried accessing the binary with the full path?

Maybe Your $PATH variable doesn't contain the default paths? echo $PATH should give something like:

[root@server ~]# echo $PATH
/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin

If it's empty, You may set the PATH variable with this command

export PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin"

On Debian possible default full paths are:

/usr/bin/gout-long - from package: scotch

You may install the required package with command apt-get install {package}
Error in other languages:
gout-long: bevel nie gevind nie
gout-long: comandă negăsită
gout-long: comando não encontrado
gout-long: commande introuvable
gout-long: command not found
gout-long: käsku ei ole
gout-long: không tìm thấy lệnh
gout-long: komanda nerasta
gout-long: Kommando nicht gefunden.
gout-long: kommandot finns inte
gout-long: komut yok
gout-long: nie znaleziono polecenia
gout-long: níor aimsíodh an t-ordú
gout-long: no se encontró la orden
gout-long: no s'ha trobat l'ordre
gout-long: opdracht niet gevonden
gout-long: parancs nem található
gout-long: perintah tidak ditemukan
gout-long: príkaz nenájdený
gout-long: příkaz nenalezen
gout-long: команда не найдена
gout-long: командата не е открита
gout-long: 命令找不到
gout-long: コマンドが見つかりません