rake first_run

ekylibre@ekylibre-VirtualBox:~/ekylibre$ rake first_run max=50
[demo]        General ledger: ..................................................!   10.1s
[demo]              Entities: ..................................................!   8.04s
[demo]            Associates: ......                                                4.03s
[demo]           Zone groups: ..................................................!   6.96s
[demo]          Zones shapes: rake aborted!
GEOS is not available, but is required for correct interpretation of polygons in shapefiles.
/var/lib/gems/1.9.1/gems/rgeo-shapefile-0.2.3/lib/rgeo/shapefile/reader.rb:623:in `_read_polygon'
/var/lib/gems/1.9.1/gems/rgeo-shapefile-0.2.3/lib/rgeo/shapefile/reader.rb:453:in `_read_next_record'
/var/lib/gems/1.9.1/gems/rgeo-shapefile-0.2.3/lib/rgeo/shapefile/reader.rb:406:in `each'
/home/ekylibre/ekylibre/lib/tasks/first_run/buildings.rb:45:in `block (3 levels) in <top (required)>'
/var/lib/gems/1.9.1/gems/rgeo-shapefile-0.2.3/lib/rgeo/shapefile/reader.rb:207:in `open'
/home/ekylibre/ekylibre/lib/tasks/first_run/buildings.rb:43:in `block (2 levels) in <top (required)>'
/home/ekylibre/ekylibre/lib/ekylibre/first_run/loader.rb:91:in `count'
/home/ekylibre/ekylibre/lib/tasks/first_run/buildings.rb:40:in `block in <top (required)>'
/home/ekylibre/ekylibre/lib/tasks/first_run.rake:13:in `block (2 levels) in load_data'
/var/lib/gems/1.9.1/gems/activerecord-4.0.3/lib/active_record/connection_adapters/abstract/database_statements.rb:200:in `transaction'
/var/lib/gems/1.9.1/gems/activerecord-4.0.3/lib/active_record/transactions.rb:209:in `transaction'
/home/ekylibre/ekylibre/lib/tasks/first_run.rake:12:in `block in load_data'
/home/ekylibre/ekylibre/lib/tasks/first_run.rake:28:in `block (3 levels) in <top (required)>'
/home/ekylibre/ekylibre/lib/tasks/first_run.rake:27:in `each'
/home/ekylibre/ekylibre/lib/tasks/first_run.rake:27:in `block (2 levels) in <top (required)>'
/var/lib/gems/1.9.1/gems/activerecord-4.0.3/lib/active_record/connection_adapters/abstract/database_statements.rb:202:in `block in transaction'
/var/lib/gems/1.9.1/gems/activerecord-4.0.3/lib/active_record/connection_adapters/abstract/database_statements.rb:210:in `within_new_transaction'
/var/lib/gems/1.9.1/gems/activerecord-4.0.3/lib/active_record/connection_adapters/abstract/database_statements.rb:202:in `transaction'
/var/lib/gems/1.9.1/gems/activerecord-4.0.3/lib/active_record/transactions.rb:209:in `transaction'
/home/ekylibre/ekylibre/lib/tasks/first_run.rake:26:in `block in <top (required)>'
Tasks: TOP => first_run:buildings
(See full trace by running task with --trace)