This sounds as if curruption happened during downloading.

Please do
  sudo rm /var/cache/apt/archives/plasma-discover-common*
and retry after that.



       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

Reply via email to