render_msa: 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/render_msa - from package: libbio-graphics-perl

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

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