The Next Record Field is not visible by default:

In order to delete the Next Record Field you will have to make it visible first.

Step 1:
Press Alt + F9:

Step 2:
Look for the NEXT Field:

Step 3:
Delete it:

See also:

• Word, Mail Merge
• Mail Merge Next Record Rule (Mail Merge)
• Microsoft Office Support, Field Codes: Next field

If you need assistance with your code, or you are looking for a VBA programmer to hire feel free to contact me. Also please visit my website  www.software-solutions-online.com