looking at the history of that toolchain https://www.beat-eu.org/platform/toolchains/tutorial/eigenface/1/#history

the listed links are incorrect eg. https://www.beat-eu.org/toolchains/tutorial/eigenface/1/ and report an error This page does not seem to exist… We apologize for the inconvenience, but the page you were trying to access is not at this address. You can use the links below to help you find what you are looking for.

in that case the correct link should be https://www.beat-eu.org/platform/toolchains/tutorial/eigenface/1/