[Catalyst] Can't infer join condition

[Chisel Wright]

Sometimes I hate perl/cpan/mystical dependencies, I've stuffed myself
somewhere.

I was having some problems, so I've got a totally clean install of Perl
5.8.7, and I've just spend the morning re-installing all required
modules and their dependencies.

Does anyone know what might cause the following error?

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chisel at zombie parley $ ./script/parley_server.pl -r
Too late to run INIT block at /usr/lib/perl5/vendor_perl/5.8.7/Class/C3.pm line 52.
Couldn't load "Parley::Model::ParleyDB::Person", "Can't infer join condition for authentication on Parley::Model::ParleyDB::Person; Parley::Model::ParleyDB::Authentication has no primary keys at /usr/lib/perl5/vendor_perl/5.8.7/Module/Pluggable/Fast.pm line 82
Compilation failed in require at /usr/lib/perl5/vendor_perl/5.8.7/Module/Pluggable/Fast.pm line 82.
" at /usr/lib/perl5/vendor_perl/5.8.7/Module/Pluggable/Fast.pm line 84.
Compilation failed in require at ./script/parley_server.pl line 49.
chisel at zombie parley $
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I know that the table does have a primary key, it's always been
there and I've not suddenly removed it.

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chisel at zombie parley $ psql -U parley -c '\d authentication'
                                        Table "public.authentication"
      Column       |  Type   |                                   Modifiers
-------------------+---------+-------------------------------------------------------------------------------
 authentication_id | integer | not null default nextval('public.authentication_authentication_id_seq'::text)
 username          | text    | not null
 password          | text    | not null
 authenticated     | boolean | not null default false
Indexes:
    "authentication_pkey" PRIMARY KEY, btree (authentication_id)
    "authentication_username_key" UNIQUE, btree (username)

chisel at zombie parley $
---- cut here ----

Some relevant sounding modules and their versions:
 Catalyst: 5.61
 DBIx::Class: 0.04001
 DBIx::Class::Loader: 0.12
 Module::Pluggable::Fast: 0.18
 Class::C3: 0.09

-- 
Chisel Wright
e: chisel at herlpacker.co.uk
w: http://www.herlpacker.co.uk/

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