Hi Geert, I tried, but ran into the same issue:
LANG=C gpg --export-secret-key /home/ullhan63/.gnupg/private-keys-v1.d/123456789.key > testkey gpg: WARNING: unsafe permissions on homedir '/home/myusername/.gnupg' gpg: WARNING: nothing exported Strange..... Best regards Hans > If I recall correct, I did something like > > gpg --export-secret-key 0x123456 > sleutel > > > at the command line and then the TB import. > > > Thanks for any hints. > > Thanks for reporting back. > > > Best regards > > Hans > > Groeten > Geert Stappers