If you're having difficulty logging into Coursiv and encountering an error message stating that your email doesn't exist, follow these steps to try and resolve the issue:

1. Verify Your Email Address: Ensure that you are entering the email address associated with your Coursiv account correctly. Pay attention to spelling, capitalization, and any typos.

2. Check for Multiple Accounts: If you have registered for multiple accounts, make sure you are using the correct email linked to the account you are trying to access.

3. Use the Correct Login URL: Make sure you are trying to log in via the official link. The correct URL for logging into Coursiv is https://app.coursiv.io/auth/signin - [learn more].

4. Reset Your Password: If you think you might be using the wrong password, attempt to reset it:
- Click on the "Forgot Password?" link on the login page.
- Follow the instructions to receive an email with a link to create a new password.

5. Contact Support: If the email you are using is indeed registered but you're still facing this issue, contact Coursiv support. You can typically find support contact information on their website or help section.

6. Check for Email Confirmation: If you have just registered, check your email for a confirmation link from Coursiv. You may need to confirm your email address before logging in.

7. Investigate Browser Issues: Sometimes cookies or cache issues can interfere with logging in:
- Clear your browser's cache and cookies.
- Try accessing Coursiv in a different browser or incognito mode.

8. Disable Browser Extensions: Some extensions might cause conflicts. Try disabling them temporarily and see if that allows you to log in.

9. Check Service Status: Occasionally, the platform itself may experience downtime. Look for any announcements or service status updates from Coursiv regarding ongoing issues.

If these steps do not resolve your login issue, consider reaching out to other users who might have had similar problems for insights or check community discussions on platforms like Reddit for potential solutions - learn more - learn more.