fastavalidcds: 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/fastavalidcds - from package: exonerate

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

On Debian possible default full paths are:

/usr/bin/fastavalidcds - from package: exonerate

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

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