Zion (the market) is asking me to enter the private key of an address that is not listed in my current wallet. I have 3 unspent payments that I can't sign due to this problem. I understand how to verify and sign offline transactions and I've exported all my keys from my wallet, searched for the addresses and none were found.
Ideas? Am I missing something?
Sometimes they use addresses that haven't shown on electrum yet since it is default to show 20 addresses. Go to the console tab and input
wallet.storage.put('gap_limit',200)
It should then show 200 addresses linked to your wallet. This happened to me with Sourcery and I thought the address wasn't linked to my wallet but it just couldn't be seen.