If you have a configuration that you want to load in pharo1.0-10502-
rc1dev09.12.2 you should update the class-side #ensureMetacello
method. You can see a version of #ensureMetacello here:
http://code.google.com/p/metacello/wiki/EnsureMetacello. In a nutshell
the newer #ensureMetacello method should just load the
ConfigurationOfMetacello package. The #ensureMetacello implementation
there boostraps Metacello in the following images:
* pharo1.0-10493-rc1dev09.11.2
* pharo1.0-10502-rc1dev09.12.2
* Squeak3.10.2-trunk
* GLASS 1.0-beta.6 (which is still under development)
Check out http://code.google.com/p/metacello/wiki/10betaVersionDescriptions#1.0-beta.18
for more release details.
Dale
Stef