3.2. The Continuous Operation Mode

If you send multiple LDIF statements to Directory Server and one operation fails, the process stops. However, entries processed before the error occurred were successfully added, modified, or deleted.
To ignore errors and continue processing further LDIF statements in a batch, pass the -c option to ldapadd and ldapmodify. For example:
# ldpamodify -c -D "cn=Directory Manager" -W -p 389 -h server.example.com -x