Update is blocked because RPM database is unstable

Hello, I'm getting this error since a few weeks, and I don't know how to fix it, what should I do? It says that glibc is not installed, is that what I have to do? If so, where can I get it?

During a recent attempt to run /scripts/upcp, the system detected that your RPM database is unstable. The system cannot install any RPMs, so the upcp script cannot proceed.

FAIL: RPM DB error: rpmdb: Thread/process 3839/47267204490048 failed: Thread died in Berkeley DB library
error: db3 error(-30974) from dbenv->failchk: DB_RUNRECOVERY: Fatal error, run database recovery
error: cannot open Packages index using db3 - (-30974)
error: cannot open Packages database in /var/lib/rpm
rpmdb: Thread/process 3839/47267204490048 failed: Thread died in Berkeley DB library
error: db3 error(-30974) from dbenv->failchk: DB_RUNRECOVERY: Fatal error, run database recovery
package glibc is not installed
error: cannot open Packages database in /var/lib/rpm (exit code 1)