The key was generated with gpg (not gpg2).
- Did you created or imported the key with gpg 1 after you installed GnuPG 2?
Yes.
In this cae, use gpg 1 to export the key and then import it again using gpg 2.
Importing the secret keys gives:
In T4909#134002, @werner wrote:
- Is it a PGP 2 key (OpenPGP version 3 key format)? Support for this has been removed from gnupg 2 for security reasons.
The key was generated with gpg (not gpg2).
- Did you created or imported the key with gpg 1 after you installed GnuPG 2?
Yes.
In this cae, use gpg 1 to export the key and then import it again using gpg 2.
Importing the secret keys gives: