char2sp: 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/char2sp - from package: wcstools

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

Error in other languages:
char2sp: bevel nie gevind nie
char2sp: comandă negăsită
char2sp: comando não encontrado
char2sp: commande introuvable
char2sp: command not found
char2sp: käsku ei ole
char2sp: không tìm thấy lệnh
char2sp: komanda nerasta
char2sp: Kommando nicht gefunden.
char2sp: kommandot finns inte
char2sp: komut yok
char2sp: nie znaleziono polecenia
char2sp: níor aimsíodh an t-ordú
char2sp: no se encontró la orden
char2sp: no s'ha trobat l'ordre
char2sp: opdracht niet gevonden
char2sp: parancs nem található
char2sp: perintah tidak ditemukan
char2sp: príkaz nenájdený
char2sp: příkaz nenalezen
char2sp: команда не найдена
char2sp: командата не е открита
char2sp: 命令找不到
char2sp: コマンドが見つかりません