pitchmark: 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/pitchmark - from package: speech-tools

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

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