VSCode SFTP plugin connecting with private key error:OPENSSL_internal:DECODE_ERROR

When I'm trying to upload file using SFTP extension in Visual Studio Code, following error is shown:

Full stack trace is

The ssh connection is using public key authentication, and my sftp configuration (sftp.json) is like following:

Solution

To fix this error, we can convert the private key file from OpenSSH private key format to PEM format.

Try again it will work now.