Upgrading 13.04 to 13.10, could not calculate the upgrade

Posted by topless on Ask Ubuntu See other posts from Ask Ubuntu or by topless
Published on 2013-10-17T15:08:54Z Indexed on 2013/10/17 16:24 UTC
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I am running sudo update-manager -d and start the upgrade process. I select upgrade option and when then manager enters Setting new software channels it throws an error.

Could not calculate the upgrade

An unresolvable problem occurred while calculating the upgrade.

 This can be caused by:
 * Upgrading to a pre-release version of Ubuntu
 * Running the current pre-release version of Ubuntu
 * Unofficial software packages not provided by Ubuntu

If none of this applies, then please report this bug using the command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal.

I have disabled all unofficial and third party packages, I am not running a pre-release version since I am at 13.04 and I am trying to update to beta 2 which is not a pre-release. Before I fill a bug report, since its happening to both of my systems I would like to figure out if anyone else had same issues.

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