Diaspora error when trying to ignore someone

gistfile1.txt

Started POST "/blocks?block[person_id]=5406" for 68.4.205.245 at Fri Feb 24 02:56:41 +0000 2012 pid=28521  time=1330052201 
  Processing by BlocksController#create as HTML pid=28521  time=1330052201 
  Parameters: {"authenticity_token"=>"/MLWI/xa2vE/hJH+fqsQSwGbgTZk7z0znP72UDW8+nc=", "block"=>{"person_id"=>"5406"}} pid=28521  time=1330052201 
event=disconnect [email protected] [email protected] pid=28521  time=1330052201 
Completed 500 Internal Server Error in 244ms pid=28521  time=1330052201 
** [Hoptoad] Failure: Net::HTTPClientError pid=28521  time=1330052201 
** [Hoptoad] Environment Info: [Ruby: 1.8.7] [Rails: 3.0.11] [Env: production] pid=28521  time=1330052201 
** [Hoptoad] Response from Hoptoad: 
<?xml version="1.0" encoding="UTF-8"?>
<errors>
  <error>No project exists with the given API key.</error>
</errors>
 pid=28521  time=1330052201 

ActiveRecord::InvalidForeignKey (PGError: ERROR:  update or delete on table "notifications" violates foreign key constraint "notification_actors_notification_id_fkey" on table "notification_actors"
DETAIL:  Key (id)=(1017) is still referenced from table "notification_actors".
: DELETE FROM "notifications" WHERE "notifications"."recipient_id" = 7 AND "notifications"."type" = 'Notifications::StartedSharing' AND "notifications"."target_type" = 'Person' AND "notifications"."target_id" = 5406):
  app/models/contact.rb:41:in `destroy_notifications'
  lib/diaspora/user/connecting.rb:49:in `remove_contact'
  lib/diaspora/user/connecting.rb:69:in `disconnect'
  app/controllers/blocks_controller.rb:29:in `disconnect_if_contact'
  app/controllers/blocks_controller.rb:8:in `create'
  lib/chrome_frame.rb:39:in `call'

 pid=28521  time=1330052201