command 'LEARN' failed: No inquire callback in IPC

[NIIBE Yutaka]

"Rogers, Dustin" <Dustin.Rogers at capitalone.com> wrote:
> I have recently installed gnupg 2.1.20 from source on a centos6.8 box.

What's the configure option?  Did you enable smart card support with
libusb?

> [root at system1 ~]# gpg --card-edit
>
> gpg-agent[5158]: DBG: chan_8 -> OK Pleased to meet you, process 5159
[...]
> gpg-agent[5158]: DBG: chan_9 <- OK PKCS#11 smart-card server for GnuPG ready

This is not the scdaemon from GnuPG.

Please install scdaemon of GnuPG and try again with that.
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