pkgkde-symbolshelper: 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/pkgkde-symbolshelper - from package: pkg-kde-tools

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

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