osgspacewarp: 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/osgspacewarp - from package: openscenegraph

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

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