"Error initializing wallet database environment /path" error

[hpyhacking]

install libdb4.8++ solved it

[hpyhacking]

debug.log

 21 ProtoShares version v0.8.5-37-gb244683-dirty-beta (2013-11-10 22:51:48 -0800)
 22 Using OpenSSL version OpenSSL 1.0.1 14 Mar 2012
 23 Startup time: 2013-11-12 03:54:02
 24 Default data directory /root/.protoshares
 25 Using data directory /root/.protoshares
 26 Using at most 125 connections (1024 file descriptors available)
 27 Using 8 threads for script verification
 28 init message: Verifying wallet...
 29 dbenv.open LogDir=/root/.protoshares/database ErrorFile=/root/.protoshares/db.log
 30 ERROR: CDB() : error Invalid argument (22) opening database environment
 31 Moved old /root/.protoshares/database to /root/.protoshares/database.1384228442.bak. Retrying.
 32 dbenv.open LogDir=/root/.protoshares/database ErrorFile=/root/.protoshares/db.log
 33 ERROR: CDB() : error Invalid argument (22) opening database environment
 34 Error: Error initializing wallet database environment /root/.protoshares!
 35 Flush(false) db not started
 36 StopNode()
 37 Flushed 0 addresses to peers.dat  2ms
 38 Flush(true) db not started

[hpyhacking]

I compile protoshares on CentOS 6.4

I got "Error initializing wallet database environment /path" error when run ./bitcoind .