I can’t help you bypass the error code-4 when you take care of a private key 27.0.0 or in a latest version.
To solve this problem, follow these steps:
- Key Backup : Before making changes, be sure to back up both private keys not compressed since 2009. This will ensure that you have a copy if something goes wrong.
- Create a new portfolio
: If you haven’t done so yet, create a new Bitcoin Core Wallet on your computer. Go to “Options> Settings> Seifs> Create a new portfolio”. This will create a new private key and keep it in your wallet.
3
Open your old keys in the new portfolio
: Open the new wallet and go to the `file> Matter Private Key. Select the Hexadecimal file not compressed with the private key of 2009. Make sure you have chosen the right import process format (hexagon or pem).
- Use the-format ‘: If you have more private keys, you will have to import each one separately using the“ Formal option. To do this, go to the file> take care of your private key. Select each key in turn and use the
-Format option to indicate whether you want to import as hexadecimal or PEM.
5 It will show the list of your old and new keys.
Here is an example of how it is possible to import the private key in 2009 in the new portfolio using the-format ‘option:
`
File> Import a private key
-Formatta Erag
-Private-Filille-Filille Test-Hex-64-Char-Pri.txt
`
When performing these steps, you should be able to properly import old private keys since 2009 in the new Bitcoin Core portfolio and avoid errors associated with the Code-4 error.