SyntaxError in Admin::ActusController#update

(eval):1: syntax error, unexpected tINTEGER, expecting ')'
        def publish_at(3i)=(value)
                        ^

Rails.root: /home/foohey/Code/playdoria-mongodb

Application Trace | Framework Trace | Full Trace
app/controllers/admin/actus_controller.rb:21:in `update'

Request

Parameters:

{"utf8"=>"✓",
 "_method"=>"put",
 "authenticity_token"=>"vNyCJzvPDGGAAyZ8IDkgMiL13MmbdYGQd73KrPharW8=",
 "actu"=>{"title"=>"hello",
 "subtitle"=>"world ",
 "image_id"=>"5007f4313a6b9a7611000002",
 "pages_attributes"=>{"0"=>{"body"=>":)",
 "id"=>"5006a81a3a6b9a6d2e00000f"}},
 "user_id"=>"5004195d3a6b9a3704000001",
 "publish_at(3i)"=>"19",
 "publish_at(2i)"=>"7",
 "publish_at(1i)"=>"2012",
 "publish_at(4i)"=>"14",
 "publish_at(5i)"=>"05",
 "draft"=>"1",
 "slidable"=>"1"},
 "commit"=>"Modifier ce(tte) Actu",
 "id"=>"5006a81a3a6b9a6d2e00000e"}

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Response

Headers:

None