Processing triggers for man-db ...
Setting up yaml-mode (0.0.4-2) ...
emacsen-common: Handling install of emacsen flavor emacs
emacsen-common: Handling install of emacsen flavor emacs22
emacsen-common: byte-compiling for emacs22
Wrote /etc/emacs22/site-start.d/00debian-vars.elc
Wrote /usr/share/emacs22/site-lisp/debian-startup.elc
install/yaml-mode: Handling install for emacsen flavor emacs22
ln: creating symbolic link `./yaml-mode.el': File exists
emacs-package-install: /usr/lib/emacsen-common/packages/install/yaml-mode emacs22 emacs22 failed at /usr/lib/emacsen-common/emacs-package-install line 30, <TSORT> line 2.
dpkg: error processing yaml-mode (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 yaml-mode
E: Sub-process /usr/bin/dpkg returned an error code (1)