ts - classloading issue?: undefined method `<<' for nil:NilClass

gistfile1.txt

mj:fluxx_shakti mark$ DEV_LOCAL=1 rake ts:rebuild RAILS_ENV=fastdev --trace
(in /Users/mark/work/fluxx/s1/fluxx_shakti)
"Installing dependent fluxx gems to point to local paths.  Be sure you install fluxx_engine, fluxx_crm and fluxx_grant in the same directory as the reference implementation."
"ESH: loading fluxx_engine"
"ESH: loading fluxx_crm"
"ESH: loading fluxx_grant"
** Invoke ts:rebuild (first_time)
** Invoke thinking_sphinx:rebuild (first_time)
** Invoke thinking_sphinx:app_env (first_time)
** Execute thinking_sphinx:app_env
** Invoke environment (first_time)
** Execute environment
"ESH: adding sphinx index definition"
** Execute thinking_sphinx:rebuild
** Invoke thinking_sphinx:index (first_time)
** Invoke thinking_sphinx:app_env 
** Execute thinking_sphinx:index
Generating Configuration to /Users/mark/work/fluxx/s1/fluxx_shakti/config/fastdev.sphinx.conf
rake aborted!
undefined method `<<' for nil:NilClass
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/thinking-sphinx-2.0.0.rc1/lib/thinking_sphinx/active_record.rb:185:in `insert_sphinx_index'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/thinking-sphinx-2.0.0.rc1/lib/thinking_sphinx/active_record.rb:186:in `insert_sphinx_index'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/thinking-sphinx-2.0.0.rc1/lib/thinking_sphinx/active_record.rb:186:in `each'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/thinking-sphinx-2.0.0.rc1/lib/thinking_sphinx/active_record.rb:186:in `insert_sphinx_index'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/thinking-sphinx-2.0.0.rc1/lib/thinking_sphinx/active_record.rb:180:in `add_sphinx_index'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/thinking-sphinx-2.0.0.rc1/lib/thinking_sphinx/active_record.rb:143:in `define_index'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/thinking-sphinx-2.0.0.rc1/lib/thinking_sphinx/active_record.rb:158:in `call'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/thinking-sphinx-2.0.0.rc1/lib/thinking_sphinx/active_record.rb:158:in `define_indexes'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/thinking-sphinx-2.0.0.rc1/lib/thinking_sphinx/active_record.rb:157:in `each'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/thinking-sphinx-2.0.0.rc1/lib/thinking_sphinx/active_record.rb:157:in `define_indexes'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/thinking-sphinx-2.0.0.rc1/lib/thinking_sphinx/configuration.rb:153:in `build'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/thinking-sphinx-2.0.0.rc1/lib/thinking_sphinx/configuration.rb:151:in `each'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/thinking-sphinx-2.0.0.rc1/lib/thinking_sphinx/configuration.rb:151:in `build'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/thinking-sphinx-2.0.0.rc1/lib/thinking_sphinx/tasks.rb:69
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:636:in `call'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:636:in `execute'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:631:in `each'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:631:in `execute'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:597:in `invoke_with_call_chain'
/Users/mark/.rvm/rubies/ruby-1.8.7-p302/lib/ruby/1.8/monitor.rb:242:in `synchronize'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:590:in `invoke_with_call_chain'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:583:in `invoke'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/thinking-sphinx-2.0.0.rc1/lib/thinking_sphinx/tasks.rb:86
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:636:in `call'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:636:in `execute'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:631:in `each'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:631:in `execute'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:597:in `invoke_with_call_chain'
/Users/mark/.rvm/rubies/ruby-1.8.7-p302/lib/ruby/1.8/monitor.rb:242:in `synchronize'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:590:in `invoke_with_call_chain'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:607:in `invoke_prerequisites'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:604:in `each'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:604:in `invoke_prerequisites'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:596:in `invoke_with_call_chain'
/Users/mark/.rvm/rubies/ruby-1.8.7-p302/lib/ruby/1.8/monitor.rb:242:in `synchronize'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:590:in `invoke_with_call_chain'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:583:in `invoke'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:2051:in `invoke_task'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:2029:in `each'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:2023:in `top_level'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:2001:in `run'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/lib/rake.rb:1998:in `run'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/gems/rake-0.8.7/bin/rake:31
/Users/mark/.rvm/gems/ruby-1.8.7-p302/bin/rake:19:in `load'
/Users/mark/.rvm/gems/ruby-1.8.7-p302/bin/rake:19
mj:fluxx_shakti mark$