[Irinikus]

The IRIX install that I showed in my video is especially for Flame, it installs inventor as it should be installed for Flame.

The set of commands that I type in before the go command come from the Flame manual.

It looks like you currently don't have the prerequisites for Flame, being a proper Inventor install.

I know it's a pain, but I would suggest that you carry out an install as I did in this video and then reinstall Flame: