slapd: cannot install, cannot remove, bugs 100s days old...

[Erik Steffl <steffl@bigfoot.com>]

  what's going on with slapd? it cannot be installed or removed, there 
are some bugs related to this (not sure if it's the same problem), no 
resolutions...

  any info on what's going on?

  here are the error messages:

  update:

jojda:/home/erik# apt-get install  slapd
Reading Package Lists... Done
Building Dependency Tree... Done
Sorry, slapd is already the newest version.
0 packages upgraded, 0 newly installed, 0 to remove and 8  not upgraded.
1 packages not fully installed or removed.
Need to get 0B of archives. After unpacking 0B will be used.
Reading changelogs... Done
Setting up slapd (2.1.17-1) ...
Updating config for dynamic backends... done
Moving old database files to /var/backups/slapd-2.0.27-4... mkdir: 
cannot create directory `/var/backups/slapd-2.0.27-4': File exists
dpkg: error processing slapd (--configure):
 subprocess post-installation script returned error exit status 1
Errors were encountered while processing:
 slapd
E: Sub-process /usr/bin/dpkg returned an error code (1)
jojda:/home/erik#

  remove:

jojda:/home/erik# apt-get remove slapd
Reading Package Lists... Done
Building Dependency Tree... Done
The following packages will be REMOVED:
  slapd
0 packages upgraded, 0 newly installed, 1 to remove and 8  not upgraded.
1 packages not fully installed or removed.
Need to get 0B of archives. After unpacking 3240kB will be freed.
Do you want to continue? [Y/n]
Reading changelogs... Done
(Reading database ... 139123 files and directories currently installed.)
Removing slapd ...
Stopping OpenLDAP: slapd - failed.
The operation failed but no output was produced. For hints on what went
wrong please refer to the system's logfiles (e.g. /var/log/syslog) or
try running the daemon in Debug mode like via "slapd -d 16383" (warning:
this will create copious output).
invoke-rc.d: initscript slapd, action "stop" failed.
dpkg: error processing slapd (--remove):
 subprocess pre-removal script returned error exit status 1
Starting OpenLDAP: slapd - failed:
/etc/ldap/schema/mull.schema: line 47: AttributeType inappropriate 
matching rule: "bitStringMatch"
invoke-rc.d: initscript slapd, action "start" failed.
dpkg: error while cleaning up:
 subprocess post-installation script returned error exit status 1
Errors were encountered while processing:
 slapd
E: Sub-process /usr/bin/dpkg returned an error code (1)

  TIA

	erik