Setting up qgis-providers (1:2.18.12+24xenial-ubuntugis) ...
/usr/lib/qgis/crssync: symbol lookup error: /usr/lib/libqgis_core.so.2.18.12: undefined symbol: OGR_F_SetFieldNull
dpkg: error processing package qgis-providers (--configure):
 subprocess installed post-installation script returned error exit status 127
dpkg: dependency problems prevent configuration of qgis:
 qgis depends on qgis-providers (= 1:2.18.12+24xenial-ubuntugis); however:
  Package qgis-providers is not configured yet.

dpkg: error processing package qgis (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of qgis-server:
 qgis-server depends on qgis-providers (= 1:2.18.12+24xenial-ubuntugis); however:
  Package qgis-providers is not configured yet.

dpkg: error processing package qgis-server (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of qgis-plugin-grass:
 qgis-plugin-grass depends on qgis (= 1:2.18.12+24xenial-ubuntugis); however:
  Package qgis is not configured yet.

dpkg: error processing package qgis-plugin-grass (--configure):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 qgis-providers
 qgis
 qgis-server
 qgis-plugin-grass