Posts Tagged ‘Error: Upgrading Ubuntu to 13.04’

Error: Upgrade Ubuntu Desktop from 12.10 to 13.04 | Linux

Hello All, Just Today I have tried to Upgrade Ubuntu Desktop Edition from Ubuntu 12.10 (Quantal Quetzal) to Ubuntu 13.04 (Raring Ringtail) and Receiving Following Error :- Checking for a new Ubuntu release Traceback (most recent call last): File “/usr/bin/do-release-upgrade”, line 145, in <module> fetcher.run_options += [“–mode=%s” % options.mode, AttributeError: type object ‘DistUpgradeFetcherCore’ has no attribute […]

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