_ _ _ _
| | | | (_) |
_ __ ___ ___| |_ __ _ ___ _ __ | | ___ _| |_
| '_ ` _ \ / _ \ __/ _` / __| '_ \| |/ _ \| | __|
| | | | | | __/ || (_| \__ \ |_) | | (_) | | |_
|_| |_| |_|\___|\__\__,_|___/ .__/|_|\___/|_|\__|
| |
|_|


=[ metasploit v3.8.0-dev [core:3.8 api:1.0]
+ -- --=[ 688 exploits - 357 auxiliary - 39 post
+ -- --=[ 217 payloads - 27 encoders - 8 nops
=[ svn r12655 updated today (2011.05.17)

msf > use auxiliary/scanner/oracle/oracle_version
[-] Failed to load module: auxiliary/scanner/oracle/oracle_version
msf >

my metasploit cannot load module auxiliary, what's the problem?