event_invitations index (ActionView::Template::Error) "undefined method `name' for nil:NilClass"

An ActionView::Template::Error occurred in event_invitations#index:

undefined method name' for nil:NilClass app/views/users/events/event_invitations/_card.html.slim:13:in_app_views_users_events_event_invitations__card_html_slim___276468413700390959_75633440'

Request:

URL : https://www.ensemble-app.fr/mon-compte/mes-evenements/95/invitations?page=8
HTTP Method: GET
IP address : 85.69.32.58
Parameters : {"page"=>"8", "controller"=>"users/events/event_invitations", "action"=>"index", "event_id"=>"95"}
Timestamp : 2018-04-23 18:17:02 +0200
Server : ns344778.ip-94-23-32.eu
Rails root : /home/deploy/www/ensemble/releases/20180319164604
Process: 4369

Backtrace:

app/views/users/events/event_invitations/_card.html.slim:13:in _app_views_users_events_event_invitations__card_html_slim___276468413700390959_75633440' app/views/users/events/event_invitations/index.html.slim:34:inblock in _app_views_users_events_event_invitations_index_html_slim__3679787126785818166_78303760' app/views/users/events/event_invitations/index.html.slim:32:in `_app_views_users_events_event_invitations_index_html_slim__3679787126785818166_78303760'

Session:

session id: [FILTERED]
data: {"session_id"=>"28555d8d1d891ccd5058c6f95f77108d", "warden.user.user.key"=>[[113], "$2a$11$fmqTKSR0hciHFx7v5AQPY."], "_csrf_token"=>"L03rw4qNhZtrXvqTHp3bFxYdeBaRtRvdWsQT9JjrKgk="}

Environment:

HTTPS : on
HTTP_ACCEPT : text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,/;q=0.8
HTTP_ACCEPT_ENCODING : gzip, deflate, br
HTTP_ACCEPT_LANGUAGE : fr-FR,fr;q=0.9,en-US;q=0.8,en;q=0.7,ru;q=0.6,uz;q=0.5,hy;q=0.4,tr;q=0.3
HTTP_COOKIE : _pk_ses.5.8aa7=*; tarteaucitron=!youtube=true; _rails_starter_session=aU96L3dYNXdJaEMvYXo3bjJnT2R0Zk5aQThzcnRzZktqNXc2NFRyeGpXcS8yQW0zcTE3YzFJSFJtb0x3dVhlaUVpajNPK0syUE55MnJrdG5JZmFQamNZdnA3Vk5KRlhnZlMybit5QUFXK2hSUGRoWUFpd1hwbkxEY3FDRjB3L0h6UW4rTjRTYTBIcmMvQzZSaHNiVFJ4eGUwbTVQdFlDQ0l1Z0hkcitVcXVBT2JJUnp3aUNHc1dwcUpDZDVDVVVub1VTSjdtOXJ4akVmcVJkMlBBaVlaZHFyNWJlMHBzOU1IYWRMR1VORGc4ND0tLUlFT1lRRlRleld3Z2l3bEE3LzBrSXc9PQ%3D%3D--f8075d33fe9567bce75a7ca1c8788989ba884ff2; _pk_id.5.8aa7=d865d0a9ffcb2806.1524498690.1.1524500220.1524498690.
HTTP_HOST : www.ensemble-app.fr
HTTP_REFERER : https://www.ensemble-app.fr/mon-compte/mes-evenements/95/invitations?page=7
HTTP_UPGRADE_INSECURE_REQUESTS : 1
HTTP_USER_AGENT : Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36
HTTP_VERSION : HTTP/1.1
ORIGINAL_FULLPATH : /mon-compte/mes-evenements/95/invitations?page=8
ORIGINAL_SCRIPT_NAME :
PASSENGER_CONNECT_PASSWORD : [FILTERED]
PATH_INFO : /mon-compte/mes-evenements/95/invitations
QUERY_STRING : page=8
REMOTE_ADDR : 85.69.32.58
REMOTE_PORT : 56818
REQUEST_METHOD : GET
REQUEST_URI : /mon-compte/mes-evenements/95/invitations?page=8
ROUTES_66034220_SCRIPT_NAME :
SCRIPT_NAME :
SERVER_NAME : www.ensemble-app.fr
SERVER_PORT : 443
SERVER_PROTOCOL : HTTP/1.1
SERVER_SOFTWARE : nginx/1.10.2 Phusion_Passenger/5.1.2
action_controller.instance : #
action_dispatch.backtrace_cleaner : #
action_dispatch.cookies : #
action_dispatch.cookies_digest :
action_dispatch.cookies_serializer : json
action_dispatch.encrypted_cookie_salt : encrypted cookie
action_dispatch.encrypted_signed_cookie_salt : signed encrypted cookie
action_dispatch.http_auth_salt : http authentication
action_dispatch.key_generator : #
action_dispatch.logger : #
action_dispatch.parameter_filter : [:password]
action_dispatch.redirect_filter : []
action_dispatch.remote_ip : 85.69.32.58
action_dispatch.request.content_type :
action_dispatch.request.formats : [#<Mime::Type:0x00000004ac7a98 @synonyms=["application/xhtml+xml"], @symbol=:html, @string="text/html", @hash=645527487268015640>]
action_dispatch.request.parameters : {"page"=>"8", "controller"=>"users/events/event_invitations", "action"=>"index", "event_id"=>"95"}
action_dispatch.request.path_parameters : {:controller=>"users/events/event_invitations", :action=>"index", :event_id=>"95"}
action_dispatch.request.query_parameters : {"page"=>"8"}
action_dispatch.request.request_parameters : {}
action_dispatch.request.unsigned_session_cookie: {"session_id"=>"28555d8d1d891ccd5058c6f95f77108d", "warden.user.user.key"=>[[113], "$2a$11$fmqTKSR0hciHFx7v5AQPY."], "_csrf_token"=>"L03rw4qNhZtrXvqTHp3bFxYdeBaRtRvdWsQT9JjrKgk="}
action_dispatch.request_id : 49e66ffb-3c47-46bb-9b42-cbbc7ab0f526
action_dispatch.routes : #
action_dispatch.secret_key_base : 7860f32bf861c6c62cf14765e6f0c1c050886a2640e130332cb7d82da087ec805ab439b637ea4967f7853208bc43c8faab95ebdbaccbf50c3b9b7d525b6e896c
action_dispatch.secret_token :
action_dispatch.show_detailed_exceptions : false
action_dispatch.show_exceptions : true
action_dispatch.signed_cookie_salt : signed cookie
rack.errors : #
rack.hijack : #<Proc:0x007b7d616ad178@/home/deploy/.rvm/gems/ruby-2.4.0@global/gems/passenger-5.1.2/src/ruby_supportlib/phusion_passenger/rack/thread_handler_extension.rb:84 (lambda)>
rack.hijack? : true
rack.input : #
rack.multiprocess : true
rack.multithread : false
rack.request.cookie_hash : {"_pk_ses.5.8aa7"=>"*", "tarteaucitron"=>"!youtube=true", "_rails_starter_session"=>"aU96L3dYNXdJaEMvYXo3bjJnT2R0Zk5aQThzcnRzZktqNXc2NFRyeGpXcS8yQW0zcTE3YzFJSFJtb0x3dVhlaUVpajNPK0syUE55MnJrdG5JZmFQamNZdnA3Vk5KRlhnZlMybit5QUFXK2hSUGRoWUFpd1hwbkxEY3FDRjB3L0h6UW4rTjRTYTBIcmMvQzZSaHNiVFJ4eGUwbTVQdFlDQ0l...
rack.request.cookie_string : _pk_ses.5.8aa7=*; tarteaucitron=!youtube=true; _rails_starter_session=aU96L3dYNXdJaEMvYXo3bjJnT2R0Zk5aQThzcnRzZktqNXc2NFRyeGpXcS8yQW0zcTE3YzFJSFJtb0x3dVhlaUVpajNPK0syUE55MnJrdG5JZmFQamNZdnA3Vk5KRlhnZlMybit5QUFXK2hSUGRoWUFpd1hwbkxEY3FDRjB3L0h6UW4rTjRTYTBIcmMvQzZSaHNiVFJ4eGUwbTVQdFlDQ0l1Z0hkcitVcXVBT2JJUnp3aUNHc1dwcUpDZDVDVVVub1VTSjdtOXJ4akVmcVJkMlBBaVlaZHFyNWJlMHBzOU1IYWRMR1VORGc4ND0tLUlFT1lRRlRleld3Z2l3bEE3LzBrSXc9PQ%3D%3D--f8075d33fe9567bce75a7ca1c8788989ba884ff2; _pk_id.5.8aa7=d865d0a9ffcb2806.1524498690.1.1524500220.1524498690.
rack.request.query_hash : {"page"=>"8"}
rack.request.query_string : page=8
rack.run_once : false
rack.session : #
rack.session.options : #
rack.url_scheme : https
rack.version : [1, 2]
warden : Warden::Proxy:67889217748620 @config={:default_scope=>:admin, :scope_defaults=>{}, :default_strategies=>{:admin=>[:database_authenticatable], :user=>[:rememberable, :database_authenticatable]}, :intercept_401=>false, :failure_app=>DeviseCustomFailure}

clairezed / ensemble