cookfp: command not found

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/cookfp - from package: cook

You may install the required package with command apt-get install {package}

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