Hi

I have created local mirror for trusty distribution. I have facing GPG error when I install or update packages. Below is my error
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GPG Error: Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 16126D3A3E5C1192
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As of now when I get this error I am running sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 16126D3A3E5C1192

Is there any permanent solution for this issue!