Can't import public key

[Pijus Kar]

Hi,

We are using GnuPG 1.2.1 on AIX. We are trying to import a public key
received from others which is generated on GnuPG v2.
Will there be any problem importing the public key. While importing we are
getting below error -

gpg: key 1D75115C: invalid self-signature on user id xxx xxx xxx
gpg: key 1D75115C: invalid subkey binding
gpg: key 1D75115C: no valid user IDs
gpg: this may be caused by a missing self-signature

Is it something for the version incompatibility or in the key?


Regards,
Pijus
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