error: Didn't find the key for 1 recipient(s) in the gpg database. This might mean it wasn't imported yet from the 'etc/keys' directory.
The following recipient(s) could not be found in the gpg key database:
7435ACDC03D55429C41637C4DB9831D842C18D28 (Import key-file using 'gpg --import 'etc/keys/7435ACDC03D55429C41637C4DB9831D842C18D28')
All recipients found in gpg database:
905E53FE2FC0A500100AB80B056F92A52DF04D4E (user c <c@example.com>)
D6339718E9B58FCE3C66C78AAA5B7BF150F48332 (Tester (for testing only) <tester@example.com>)