Hi guy`s

a = Audio.first
a.co_authors_ids << 1
a.save

src/tcmalloc.cc:353] Attempt to free invalid pointer: 0x212220
Abort trap

class Audio
include MongoMapper::Document
include MongoMapperExt::Tags

key :title
key :description
key :co_authors_ids, Array

many :co_authors, :class => Author, :in => :co_authors_ids

end

Mac OS 10.5
ruby 1.8.7 (2009-06-12 patchlevel 174) [i686-darwin9.8.0], MBARI
0x8770, Ruby Enterprise Edition 2009.10

git 'git://github.com/merbjedi/mongomapper.git', :branch => 'rails3'

gem 'mongo_ext'

Can any one help me?

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