Error: rpmdb open failed

yum
rpmdb: Thread/process 17132/140266190264064 failed: Thread died in Berkeley DB l                                                                             ibrary
error: db3 error(-30974) from dbenv->failchk: DB_RUNRECOVERY: Fatal error, run d                                                                             atabase recovery
error: cannot open Packages index using db3 -  (-30974)
error: cannot open Packages database in /var/lib/rpm
CRITICAL:yum.main:

Error: rpmdb open failed