Module "Call Recording" signed by an invalid key

Module “Call Recording” signed by an invalid key.
Module: “Call Recording”, File: “module.sig check failed! Signed by unknown, untrusted key.”

Possibly related to this?

http://community.freepbx.org/t/security-vulnerability-notice/36396/4

Module “Call Recording” 13.0.11. I have downloaded today. Get the latest version. I do not understand what is wrong.

The message is lost.

you need .28 of the recording module. if you still get the error message, then run fwconsole ma refreshsignatures