Fprint_template: 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/Fprint_template - from package: ferret-vis
/usr/share/ferret-vis/bin/Fprint_template - from package: ferret-vis

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

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