=> When updating from a previous sks version be aware that the PGP key
=> database files are not compatible. You should run db_recover-5.
=> See %%DOCSDIR%%/UPGRADING for details.

When installing for the first time, you will need to obtain a PGP
key database dump from somewhere and build database files from this.
See %%DOCSDIR%%/README.md for details.
More information is available online at http://www.keysigning.org/sks/