redhat 9.0 checking filesystems error,why?

telnetchen

Redhat 9.0
kernel 2.4.20-8

while run init

...
checking filesystems
/boot:clean, 42/130560 files, 29956/61522081 blcoks
fscheck.ext3: Filesystem has unsupported freature(s)(/boot1)
e2fsck: get a newer version of e2fsck
....

I have run another linux system by loadlin and mount the / to the running system and add some files to /

telnetchen

after that
follow the prompts
I enter repair system shell

[repair system]# init 5

now
I am in X window