The plugin itself is super outdated and needs a lot of fixing, @ThatGamerBlue got it working with the current client, but its buggy and doesn't display rotations properly
Link the accounts to an actual email address after creation, but before tutorial island and unlock them afterwards here https://support.runescape.com/hc/en-gb/articles/206103939-My-account-is-locked
Have you contacted me yet? - Yes
Quest(s) or Bundle(s) needed - Barrows Gloves Bundle
Payment Method (07GP only) - 07gp
Skype? - jon.macko
Have you read and agreed to my Terms of Service? - Yes