tpmtoken_protect: 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/bin/tpmtoken_protect - from package: tpm-tools-pkcs11

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

On Debian possible default full paths are:

/usr/bin/tpmtoken_protect - from package: tpm-tools

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

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