This must be fixed in ubuntu-release-upgrader in Trusty by adding a file DistUpgrade.cfg.precise (copy Distupgrade.cfg) and, in the section 'Sources', set the value of the parameter 'From' to 'precise' and 'To' to 'Trusty'
This must be fixed in ubuntu- release- upgrader in Trusty by adding a file DistUpgrade. cfg.precise (copy Distupgrade.cfg) and, in the section 'Sources', set the value of the parameter 'From' to 'precise' and 'To' to 'Trusty'