In this case, you can either request your profile to be added to the whitelist or merge the account you already had with the auto-generated account.
If you need to add to the whitelist, just share the link to the account you already manage.
If you need to merge the accounts, share the link to the auto-generated profile and the profile you already manage.
In any of both cases please fill out this form.
Where can I find my SoundCloud URL?
Make sure that you add the correct (ONLY use) URL links and please refrain from adding promotional quotes or comments.
If you are a first time user, you can find your URL link by going to SoundCloud's main page and searching for your artist name in the search bar:
Click enter and you will find all of the artists available with the artist name:
Once you find your artist profile click on it and you will immediately be able to locate your artist URL in your browser's search bar:
If you already claimed your SoundCloud profile, click on profile and you will find your SoundCloud link on the search bar.