This was a bug with the Mono for Android addin from the addin
repository (installed via the addin manager) for MonoDevelop 2.6b2.
Unfortunately, if you installed it for MD 2.6 b2, it overrides the
newer/later version that was shipped with MD 2.6 b3. There's now a
newer version of the Mono for Android addin that you can install from
the addin repository that does not have this issue.

- Michael

On Wed, Jul 27, 2011 at 4:18 PM, Wally McClure
<[email protected]> wrote:
> When I click on the menus in MD 2.6 beta 3, I get the message:
> System.NullReferenceException: Object reference not set to an instance of an
> object
>   at MonoDevelop.MonoDroid.PublishApplicationHandler.Update
> (MonoDevelop.Components.Commands.CommandInfo info) [0x00011] in
> /Users/michael/Mono/md-2-6/extras/MonoDevelop.MonoDroid/MonoDevelop.MonoDroid/MonoDroidCommands.cs:223
>   at MonoDevelop.Components.Commands.CommandHandler.InternalUpdate
> (MonoDevelop.Components.Commands.CommandInfo info) [0x00000] in
> /Users/michael/Mono/md-2-6/main/src/core/MonoDevelop.Ide/MonoDevelop.Components.Commands/CommandHandler.cs:47
>   at MonoDevelop.Components.Commands.CommandManager.DefaultUpdateCommandInfo
> (MonoDevelop.Components.Commands.ActionCommand cmd,
> MonoDevelop.Components.Commands.CommandInfo info) [0x00079] in
> /Users/michael/Mono/md-2-6/main/src/core/MonoDevelop.Ide/MonoDevelop.Components.Commands/CommandManager.cs:781
>   at MonoDevelop.Components.Commands.CommandManager.GetCommandInfo
> (System.Object commandId, MonoDevelop.Components.Commands.CommandTargetRoute
> targetRoute) [0x001a9] in
> /Users/michael/Mono/md-2-6/main/src/core/MonoDevelop.Ide/MonoDevelop.Components.Commands/CommandManager.cs:747
> ________________________________
> From: [email protected]
> To: [email protected]
> Date: Wed, 27 Jul 2011 11:05:17 -0400
> CC: [email protected]
> Subject: Re: [MonoTouch] 4.0.4.1 update with Monodevelop 2.4.2
>
> I have changed the preferences to not download news from the internet and it
> did not effect anything.
> I have disabled the welcome page and this did not effect/change anything
> else either.
> I'm wondering if this is caused by some type of iteration across plugins?
>  Obviously, its just a wag.
> On the subject of MD 2.6 b3, I found that it would load and after
> approximately a minute, MD would error out and close.  This happened if I
> did anything or not.  I found this about 6 weeks ago and reported it, but I
> assume you guys were dealing with other things then.  I'll download, retry,
> and report back.
> Wally
>
>> Subject: Re: [MonoTouch] 4.0.4.1 update with Monodevelop 2.4.2
>> From: [email protected]
>> To: [email protected]
>> CC: [email protected]
>> Date: Wed, 27 Jul 2011 16:53:31 +0200
>>
>> El mié, 27-07-2011 a las 10:38 -0400, Wally McClure escribió:
>> > I'm running monodevelop 2.4.2. I have installed MT 4.0.4.1. I am
>> > finding the following issues with monodevelop:
>> > * Monodevelop startup is REALLY slow. I'm running on a brand
>> > new MBP with 4 cores, so I don't think its the machine. :-)
>> > * Monodevelop doesn't seem to want to close cleanly and stays in
>> > memory.
>>
>> That's weird because the MonoTouch package doesn't do any change in
>> MonoDevelop. Maybe it is related to something else. Try disabling the
>> Welcome Page in the IDE preferences. Sometimes it may slow down MD
>> startup if it can access the server from which it downloads the news
>> feed.
>>
>> > Any ideas on how to resolve this? I'm not sure if its a bug or
>> > problem on my side. I can't update to MD 2.6 at this time because
>> > beta3 just doesn't work right for me on this system.
>>
>> What is not working right? Please let us know so that it can be fixed.
>>
>> Lluis.
>>
>>
>>
>
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>



-- 
Michael Hutchinson
http://mjhutchinson.com
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