Fedora yum issue - cannot open Packages index using db5

Error message:

error: rpmdb: BDB0113 Thread/process 4827/140262864070464 failed: BDB1507 Thread died in Berkeley DB library
error: db5 error(-30973) from dbenv->failchk: BDB0087 DB_RUNRECOVERY: Fatal error, run database recovery
error: cannot open Packages index using db5 -  (-30973)
error: cannot open Packages database in /var/lib/rpm
CRITICAL:yum.main:

Solution:

Open terminal and switch to root user and do following commands in the same order given below.

 cd /var/lib/rpm

rm -f __*

rpm --rebuilddb