Encountering the dreaded "email or username isn't linked to a Spotify account" message? Don't panic! It's a common issue, and often easily resolved. This usually means there's a mismatch between the email/username you're using and the account registered on Spotify's platform.
First, double-check for typos! A simple character error can prevent access. Then, consider how you initially signed up. Did you use Facebook, Google, or Apple? If so, try logging in using that method instead of your direct email/username.
Still stuck? You might have accidentally created multiple Spotify accounts with different emails over time. Use Spotify's account recovery tool, entering all possible email addresses you might have used. If all else fails, contacting Spotify's support team is your best bet. They can help you identify and access the correct account. Keep your streaming alive!