SSL – Country Code not valid

When you submit your SSL enrollment process, you might get the error of ,

Country Code not valid

With the above error, you might not use the 2 digit country code with standard of ISO 3166.

The common mistake is using UK for England as known as United Kingdom, but you should use GB which Great Britain.

However, you may refer to the full 2 digit country code as URL below.
ISO 1366 Standard Country Code