Reasons: 1. No sorting is defined for the field Name.
2. The index file is damaged

Solutions: 1. Log into you private domain, choose the appropriate database, click on 'Fields' and modify the field Name. Now choose a sorting (by 'Number' or by 'Text')...
2. Reorganize the database: (Database / Management / Reorganize) ]

[ Error: Perl error in /ouatmicrobio/Members/2000BatchMembers/2000:
Package "baseportal_3" does not exist at /usr/local/httpd/cgi-bin/baseportal_startup_3.pl line 10759. ]