Can't install on DM820

[carbonide]

When trying to install on a DM820, I get the following error:

Setting up enigma2-plugin-extensions-enigmalight (0.2-rc1) ...

Try to find box model....

• No supported box found! Plugin will be removed from flash...
  E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
  E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
  dpkg: error processing package enigma2-plugin-extensions-enigmalight (--install):
  subprocess installed post-installation script returned error exit status 1
  Errors were encountered while processing:
  enigma2-plugin-extensions-enigmalight