Sorry, but I don't know what's happened.
Fix your apache config, Luke:
--8--
Enabling module rpaf.
Syntax error on line 30 of /etc/apache2/conf.d/dokuwiki.conf:
Invalid command 'Deny', perhaps misspelled or defined by a module not included
in the server configuration
Action 'configtest' failed.
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https://bugs.launchpad.net/bugs/995780
Title:
package libapache2-mod-rpaf 0.6-2 failed to install/upgrade:
Unterprozess installiertes post-installation-Skript gab den Fehlerwert
1