PootleServer: 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 CentOS possible default full paths are:

/usr/sbin/PootleServer - from package: pootle

You may install the required package with command yum install {package}

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