Sometime ago I had a little problem with Zypper at the time of adding some packages. The same problem extended to YaST and well, the end of the world.

Possibly there was a integrity problem between the updater and the database RPM, or whatever, the true thing is that the error goes like:

Tamaño total a descargar: 174,1 MiB. Después de la operación se utilizarán 565,0 KiB adicionales.
¿Desea continuar? [s/n/?] (s): s
Descargando paquete graphviz-2.20.2-45.4.1.i586 (1/153), 868,0 KiB (2,2 MiB desempaquetado)
Descargando delta: ./rpm/i586/graphviz-2.20.2-45.3_45.4.1.i586.delta.rpm, 30,0 KiB
Obteniendo: graphviz-2.20.2-45.3_45.4.1.i586.delta.rpm [hecho (19,6 KiB/s)]
Aplicando delta: ./graphviz-2.20.2-45.3_45.4.1.i586.delta.rpm [hecho]
Instalando graphviz-2.20.2-45.4.1 [error]
La instalación de graphviz-2.20.2-45.4.1 ha fallado:
(con –nodeps –force) Error: Subprocess failed. Error: RPM fallido: error: db4 error(-30987) from dbcursor->c_get: DB_PAGE_NOTFOUND: Requested page not found
error: error(-30987) getting “” records from Requireversion index
error: db4 error(-30987) from dbcursor->c_get: DB_PAGE_NOTFOUND: Requested page not found
error: error(-30987) getting “” records from Requireversion index
error: db4 error(-30987) from dbcursor->c_get: DB_PAGE_NOTFOUND: Requested page not found

If you have some error like this one, the solution its extremely simple, just run in the command line interface:

sudo rpm --rebuilddb && sudo zypper clean -a && sudo zypper ref

This will rebuild the RPM database and then refresh the repos. 😉