Installation hangs on Odroid N2+

First of all sorry for my bad english.

i did a fresh install on my new odroid N2+ as per the description. At startup I get many errors “serverip not set” and finally error "server not set Cannot autoload with TFTPGET.

However, it does get an IP and can also do a ping.

Used this install:

Tried the installation several times but always the same error.
Who can help me get back on track?

I have the same error, how did you solve this error?