This error appears when the email/username or password doesn't match our records. Common causes:
Typos: Check for extra spaces, capitalisation errors, or incorrect characters. Passwords are case-sensitive.
Wrong email: Ensure you're using the email address registered with your account, not an alternative email.
Forgotten password: If you can't recall your password, use the "Forgot password?" link to reset it via email.
Account not yet created: If you haven't registered, click "Register now" to create an account first.
After three failed login attempts, your account may be temporarily locked for security. Wait 15 minutes before trying again, or contact support to unlock immediately.