Operation not supported by device

Stefan Claas stefan.claas at posteo.de
Mon Jul 24 16:27:14 CEST 2017

Hi all,

when clear signing a text file, with the latest version of GnuPG under
macOS, i get the following message:

gpg --clearsign loremipsum.txt
gpg: selecting openpgp failed: Operation not supported by device

The file is signed and can be verified. Just wondering (after googling)
what this means, because i have no card reader etc. for GnuPG.

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