If you cannot log in to your HAPPY TWEET account, first check that you are entering the correct email or username and password. Make sure there are no typing errors or extra spaces. If you are unsure about your password, use the password reset option instead of attempting multiple logins.
If Two-Factor Authentication is enabled, ensure you are entering the correct verification code before it expires. Also confirm that your internet connection is stable.
If the problem continues, clear your browser cache or try logging in from another device. If you still cannot access your account, contact support.
Login page:
https://www.happytweet.net