Error: How to Fix the Metamask Error "No keyring found for the requested account"
"No keyring found for the requested account. Error info: There are no keyrings; There are keyrings, but none match the address;"
1: Hit your identicon, then "lock."
2: Enter your password to unlock your account
3: Try sending the transaction again
Try closing out your browser and reopening it and attempting the transaction again.
Using your mobile phone, try to force close the app from your phone's app settings. Then reopen Metamask and try again.
4: If you tried the transaction again and it still does not work, then uninstall Metamask, and reinstall it.
5: Try the transaction again and it should go through