If you are unable to sign in to complete your order on the Food Lion website, it could be due to various reasons including technical issues or account-related problems. Here are steps to troubleshoot and resolve the issue:

1. Check Internet Connection: Ensure that your internet connection is stable. Try accessing other websites to verify your connectivity.

2. Clear Browser Cache:
- Go to your browser settings.
- Find the option for clearing browsing data, usually under "Privacy" or "History."
- Select "Cached images and files" and "Cookies and other site data."
- Clear data and try accessing the Food Lion website again.

3. Try a Different Browser or Device: Sometimes browser-specific issues can cause loading problems. If you are using Chrome, try switching to Firefox or Edge, or vice versa. Additionally, attempt to access the site using another device if available.

4. Disable Extensions: Browser extensions can interfere with site functionality. Disable any extensions, especially ad-blockers, and try reloading the Food Lion page.

5. Check for Service Outages:
- There might be ongoing issues with the Food Lion platform. Visit Site Down to see if other users are experiencing similar problems.

6. Reset Password: If you've had trouble logging in, resetting your password might help:
- Go to the Food Lion sign-in page.
- Click on "Forgot Password" and follow the instructions to reset your password.

7. Contact Food Lion Support: If the issue persists, reach out to Food Lion’s customer service:
- You can find contact information by visiting their Help Center.
- Alternatively, call their Customer Happiness Team at 1-888-246-7822 for immediate assistance.

8. Check App Issues (if applicable):
- If you are attempting to log in via the Food Lion app, ensure that it is updated to the latest version. You can find troubleshooting tips and updates on the Food Lion app page - [learn more].

By following these steps, you should be able to troubleshoot the sign-in issue effectively. If problems continue to occur, it is best to consult directly with Food Lion support for further assistance.