Issue upgrading Ubuntu

Do you want to continue [Y/n]? y
Extracting templates from packages: 100%
Preconfiguring packages ...
(Reading database ... 290121 files and directories currently installed.)
Removing adobe-flashplugin ...
update-alternatives: error: no alternatives for iceape-flashplugin.
update-alternatives: error: no alternatives for iceape-flashplugin.
dpkg: error processing adobe-flashplugin (--remove):
 subprocess installed pre-removal script returned error exit status 2
postinst called with argument `abort-remove'
dpkg: error while cleaning up:
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 adobe-flashplugin
E: Sub-process /usr/bin/dpkg returned an error code (1)