I don't know if you're able to start from a 13680 image or not, but I
seem to remember having fixed this and it required deployment of a new
"alpha" image which was 13680, I think..

On Tue, Nov 11, 2014 at 9:17 PM, David T. Lewis <lewis at mail.msen.com> wrote:
> On Tue, Nov 11, 2014 at 09:43:54PM -0500, David T. Lewis wrote:
>> I tried updating a Squeak 4.5 image with the default squeak45 update stream
>> (http://source.squeak.org/squeak45). The update fails and locks up the image,
>> not a good impression for new users.
>>
>> The cause appears to be a corrupt copy of one of the MCZs in squeak45:
>>
>> -rw-r--r--  1 squeaksource squeaksource  72368 Feb  4  2014 squeak45/System-dtl.665.mcz
>> -rw-r--r--  1 squeaksource squeaksource 903249 Jan 30  2014 trunk/System-dtl.665.mcz
>>
>> The one in squeak45 is empty when viewed in a Monticello browser. The one
>> in trunk if fine.
>>
>> Presumably this was some sort of error introduced in copying the MCZ from
>> trunk to squeak45.
>>
>> I will fix this by copying the good MCZ from trunk to squeak45 using a
>> Monticello browser.
>>
>
> Having done that, the next (and final) squeak45 update to System-dtl.666 fails
> due to an undefined EnvironmentRequest referenced in MCClassDefinition>>createClass.
>
> I believe that adding Monticello-cwp.589 to the squeak45 repository will
> fix the problem:
>
>   Name: Monticello-cwp.589
>   Author: cwp
>   Time: 22 March 2014, 7:59:40.107 pm
>   UUID: 46fa1e2f-2bf7-4950-82b1-1db31d5753f8
>   Ancestors: Monticello-cmm.588
>
>   Rename EnvironmentRequest to CurrentEnvironment.
>
> I am not sure if this will require an update to the config maps, but I will
> first copy Monticello-cwp.589 from trunk to squeak45 and see if that is
> sufficient.
>
> Dave
>
>