Rolf` Karstaedt - 2008-11-04

I try to install compiere but during the installation I recieve the following message:
/home/rolf/Desktop/Compiere2/RUN_setup.sh: line 44: utils/RUN_UnixEnv.sh: Datei oder Verzeichnis nicht gefunden

means: file or folder not exist or to be found.
what can I do?

regards
Rolf