Thanks alot Dan! I double checked and recopied the 0.3.1 nsfts.so into aolserver/bin. It is loading without error:

[15/Nov/2002:23:47:25][16598.16384][-main-] Notice: modload: loading '/usr/local
/aolserver/bin/nsfts.so'

I am tried, so I'll try again tomorrow :)