Could not determine the upgrade

[gvim]

On 28/04/2011 20:08, R Kimber wrote:
> Hi:
>
> On trying to upgrade from 10.10 to 11.04 I get:-
>
> Could not determine the upgrade
>
> An unresolvable problem occurred while calculating the upgrade:
> E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused
> by held packages.
>
>   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
>

I'm having the same problem. Made sure all 10.10 updates were completed before the upgrade but no luck.

gvim