problem upgrade ldap - berkeley db

Hi,
I updated ubuntu server to version 14.04.2 lts.
After the update I problems with ldap, I think I've migrated data Berkeley db.

if you launch command slapcat respond this way:

"55389399 bdb (dc = ****, dc = en): BDB1538 Program version 5.3 does not match environment version 5.1
55389399 hdb_db_open: database "dc = ****, dc = it" can not be opened, err -30 969. Restore from backup!
55389399 backend_startup_one (type = hdb, suffix = "dc = *****, dc = en"): bi_db_open failed! (-30 969) "

thanks for the help
Giulio