There is a problem with the encryption key(s) for "%1". Please re-select the key(s) which should be used for this recipient.
Hai un problema coa( s) chave( s) de cifrado para "% 1". Volva a escoller a chave ou chaves que se deberían empregar para este destinatario. if in your language something like 'key( s)' isn' t possible please use the plural in the translation