Comment 6 for bug 108975

The cause of the failure was:
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Richte slapd ein (2.3.30-2) ...
  Backing up /etc/ldap/slapd.conf in /var/backups/slapd-2.2.26-5ubuntu3.1... done.
  Updating config access directives... done.
  Moving old database directories to /var/backups:
  Loading from /var/backups/slapd-2.2.26-5ubuntu3.1:
  - directory dc=beyerswelt,dc=de...
  - directory dc=beyerswelt,dc=de... fixing
  - directory dc=beyerswelt,dc=de... fixing, failed.
Loading the database from the LDIF dump failed with the following
error while running slapadd:
    slapadd: line 14: database (dc=beyerswelt,dc=de) not configured to hold "dc=beyer,dc=dyndns,dc=org"
    slapadd: line 14: database (dc=beyerswelt,dc=de) not configured to hold "dc=beyer,dc=dyndns,dc=org"
dpkg: Fehler beim Bearbeiten von slapd (--configure):
 Unterprozess post-installation script gab den Fehlerwert 1 zurück
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Affecting to openldap.

I'm closing it because it seems you've fixed it by removing ldap but don't hesitate to reopen if it's still an issue.