funcnts: 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/funcnts - from package: funtools

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

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