diff --git a/counter/views.py b/counter/views.py
index 903b4d4d..5ea96ff9 100644
--- a/counter/views.py
+++ b/counter/views.py
@@ -104,7 +104,7 @@ class CounterMain(DetailView, CheckTokenMixin, ProcessFormView, FormMixin):
         kwargs['form'] = self.get_form()
         kwargs['form'].cleaned_data = {} # same as above
         if "bad_location" in self.request.GET:
-            kwargs['form'].add_error(None, _("Bad location"))
+            kwargs['form'].add_error(None, _("Bad location, someone is already logged in somewhere else"))
         if self.object.type == 'BAR':
             kwargs['barmen'] = self.object.get_barmen_list()
         elif self.request.user.is_authenticated():
diff --git a/locale/fr/LC_MESSAGES/django.mo b/locale/fr/LC_MESSAGES/django.mo
index c6af0593..350d37d0 100644
Binary files a/locale/fr/LC_MESSAGES/django.mo and b/locale/fr/LC_MESSAGES/django.mo differ
diff --git a/locale/fr/LC_MESSAGES/django.po b/locale/fr/LC_MESSAGES/django.po
index 7737d0cc..5a386d49 100644
--- a/locale/fr/LC_MESSAGES/django.po
+++ b/locale/fr/LC_MESSAGES/django.po
@@ -6,7 +6,7 @@
 msgid ""
 msgstr ""
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2016-09-22 11:08+0200\n"
+"POT-Creation-Date: 2016-09-26 11:22+0200\n"
 "PO-Revision-Date: 2016-07-18\n"
 "Last-Translator: Skia <skia@libskia.so>\n"
 "Language-Team: AE info <ae.info@utbm.fr>\n"
@@ -85,12 +85,12 @@ msgstr "Compte club"
 msgid "%(club_account)s on %(bank_account)s"
 msgstr "%(club_account)s sur %(bank_account)s"
 
-#: accounting/models.py:130 club/models.py:146 counter/models.py:331
+#: accounting/models.py:130 club/models.py:146 counter/models.py:336
 #: launderette/models.py:122
 msgid "start date"
 msgstr "date de début"
 
-#: accounting/models.py:131 club/models.py:147 counter/models.py:332
+#: accounting/models.py:131 club/models.py:147 counter/models.py:337
 msgid "end date"
 msgstr "date de fin"
 
@@ -103,7 +103,7 @@ msgid "club account"
 msgstr "compte club"
 
 #: accounting/models.py:135 accounting/models.py:178 counter/models.py:25
-#: counter/models.py:219
+#: counter/models.py:224
 msgid "amount"
 msgstr "montant"
 
@@ -123,17 +123,17 @@ msgstr "numéro"
 msgid "journal"
 msgstr "classeur"
 
-#: accounting/models.py:179 core/models.py:461 core/models.py:739
-#: counter/models.py:222 counter/models.py:265 counter/models.py:348
+#: accounting/models.py:179 core/models.py:471 core/models.py:749
+#: counter/models.py:227 counter/models.py:270 counter/models.py:353
 #: eboutic/models.py:15 eboutic/models.py:48
 msgid "date"
 msgstr "date"
 
-#: accounting/models.py:180 counter/models.py:349
+#: accounting/models.py:180 counter/models.py:354
 msgid "comment"
 msgstr "commentaire"
 
-#: accounting/models.py:181 counter/models.py:223 counter/models.py:266
+#: accounting/models.py:181 counter/models.py:228 counter/models.py:271
 #: subscription/models.py:57
 msgid "payment method"
 msgstr "méthode de paiement"
@@ -232,7 +232,7 @@ msgstr "code"
 msgid "An accounting type code contains only numbers"
 msgstr "Un code comptable ne contient que des numéros"
 
-#: accounting/models.py:282 accounting/models.py:308 counter/models.py:257
+#: accounting/models.py:282 accounting/models.py:308 counter/models.py:262
 msgid "label"
 msgstr "intitulé"
 
@@ -297,8 +297,10 @@ msgstr "Compte en banque : "
 
 #: accounting/templates/accounting/bank_account_details.jinja:15
 #: accounting/templates/accounting/club_account_details.jinja:16
+#: club/templates/club/club_sellings.jinja:40
 #: core/templates/core/file_detail.jinja:43
 #: core/templates/core/group_list.jinja:13
+#: core/templates/core/user_account_detail.jinja:67
 #: core/templates/core/user_edit.jinja:18
 #: launderette/templates/launderette/launderette_admin.jinja:16
 #: launderette/views.py:146
@@ -476,7 +478,7 @@ msgid "Done"
 msgstr "Effectué"
 
 #: accounting/templates/accounting/journal_details.jinja:34
-#: counter/templates/counter/cash_summary_list.jinja:32 counter/views.py:621
+#: counter/templates/counter/cash_summary_list.jinja:32 counter/views.py:646
 msgid "Comment"
 msgstr "Commentaire"
 
@@ -545,7 +547,7 @@ msgstr "Vous ne pouvez pas faire de boucles dans les clubs"
 msgid "A club with that unix_name already exists"
 msgstr "Un club avec ce nom UNIX existe déjà."
 
-#: club/models.py:144 counter/models.py:329 counter/models.py:346
+#: club/models.py:144 counter/models.py:334 counter/models.py:351
 #: eboutic/models.py:14 eboutic/models.py:47 launderette/models.py:89
 #: launderette/models.py:126
 msgid "user"
@@ -1015,120 +1017,120 @@ msgstr "adresse des parents"
 msgid "is subscriber viewable"
 msgstr "profil visible par les cotisants"
 
-#: core/models.py:275
+#: core/models.py:285
 msgid "A user with that username already exists"
 msgstr "Un utilisateur de ce nom d'utilisateur existe déjà"
 
-#: core/models.py:396 core/templates/core/macros.jinja:17
+#: core/models.py:406 core/templates/core/macros.jinja:17
 #: core/templates/core/user_detail.jinja:14
 #: core/templates/core/user_detail.jinja:16
 #: core/templates/core/user_edit.jinja:16
 msgid "Profile"
 msgstr "Profil"
 
-#: core/models.py:438
+#: core/models.py:448
 msgid "Visitor"
 msgstr "Visiteur"
 
-#: core/models.py:443
+#: core/models.py:453
 msgid "define if we show a users stats"
 msgstr "Definit si l'on montre les statistiques de l'utilisateur"
 
-#: core/models.py:445
+#: core/models.py:455
 msgid "Show your account statistics to others"
 msgstr "Montrez vos statistiques de compte aux autres"
 
-#: core/models.py:452
+#: core/models.py:462
 msgid "file name"
 msgstr "nom du fichier"
 
-#: core/models.py:453 core/models.py:588
+#: core/models.py:463 core/models.py:598
 msgid "parent"
 msgstr "parent"
 
-#: core/models.py:454 core/models.py:464
+#: core/models.py:464 core/models.py:474
 msgid "file"
 msgstr "fichier"
 
-#: core/models.py:455
+#: core/models.py:465
 msgid "owner"
 msgstr "propriétaire"
 
-#: core/models.py:456 core/models.py:594
+#: core/models.py:466 core/models.py:604
 msgid "edit group"
 msgstr "groupe d'édition"
 
-#: core/models.py:457 core/models.py:595
+#: core/models.py:467 core/models.py:605
 msgid "view group"
 msgstr "groupe de vue"
 
-#: core/models.py:458
+#: core/models.py:468
 msgid "is folder"
 msgstr "est un dossier"
 
-#: core/models.py:459
+#: core/models.py:469
 msgid "mime type"
 msgstr "type mime"
 
-#: core/models.py:460
+#: core/models.py:470
 msgid "size"
 msgstr "taille"
 
-#: core/models.py:492
+#: core/models.py:502
 msgid "Character '/' not authorized in name"
 msgstr "Le caractère '/' n'est pas autorisé dans les noms de fichier"
 
-#: core/models.py:495 core/models.py:500
+#: core/models.py:505 core/models.py:510
 msgid "Loop in folder tree"
 msgstr "Boucle dans l'arborescence des dossiers"
 
-#: core/models.py:504
+#: core/models.py:514
 msgid "You can not make a file be a children of a non folder file"
 msgstr ""
 "Vous ne pouvez pas mettre un fichier enfant de quelque chose qui n'est pas "
 "un dossier"
 
-#: core/models.py:508
+#: core/models.py:518
 msgid "Duplicate file"
 msgstr "Un fichier de ce nom existe déjà"
 
-#: core/models.py:518
+#: core/models.py:528
 msgid "You must provide a file"
 msgstr "Vous devez fournir un fichier"
 
-#: core/models.py:543
+#: core/models.py:553
 msgid "Folder: "
 msgstr "Dossier : "
 
-#: core/models.py:545
+#: core/models.py:555
 msgid "File: "
 msgstr "Fichier : "
 
-#: core/models.py:587 core/models.py:591
+#: core/models.py:597 core/models.py:601
 msgid "page name"
 msgstr "nom de la page"
 
-#: core/models.py:592
+#: core/models.py:602
 msgid "owner group"
 msgstr "groupe propriétaire"
 
-#: core/models.py:623
+#: core/models.py:633
 msgid "Duplicate page"
 msgstr "Une page de ce nom existe déjà"
 
-#: core/models.py:629
+#: core/models.py:639
 msgid "Loop in page tree"
 msgstr "Boucle dans l'arborescence des pages"
 
-#: core/models.py:736
+#: core/models.py:746
 msgid "revision"
 msgstr "révision"
 
-#: core/models.py:737
+#: core/models.py:747
 msgid "page title"
 msgstr "titre de la page"
 
-#: core/models.py:738
+#: core/models.py:748
 msgid "page content"
 msgstr "contenu de la page"
 
@@ -1190,7 +1192,7 @@ msgid "Services"
 msgstr "Services"
 
 #: core/templates/core/base.jinja:72 core/templates/core/file.jinja:20
-#: core/views/files.py:42
+#: core/views/files.py:47
 msgid "Files"
 msgstr "Fichiers"
 
@@ -1340,7 +1342,7 @@ msgid "Please login to see this page."
 msgstr "Merci de vous identifier pour voir cette page."
 
 #: core/templates/core/login.jinja:28
-#: counter/templates/counter/counter_main.jinja:53
+#: counter/templates/counter/counter_main.jinja:54
 msgid "login"
 msgstr "login"
 
@@ -1628,7 +1630,7 @@ msgstr "Profil de %(user_name)s"
 msgid "Option: "
 msgstr "Filière : "
 
-#: core/templates/core/user_detail.jinja:58
+#: core/templates/core/user_detail.jinja:59
 #, python-format
 msgid "Subscribed until %(subscription_end)s"
 msgstr "Cotisant jusqu'au %(subscription_end)s"
@@ -1638,11 +1640,11 @@ msgstr "Cotisant jusqu'au %(subscription_end)s"
 msgid "Account number: "
 msgstr "Numero de compte : "
 
-#: core/templates/core/user_detail.jinja:67
+#: core/templates/core/user_detail.jinja:69
 msgid "Not subscribed"
 msgstr "Non cotisant"
 
-#: core/templates/core/user_detail.jinja:69
+#: core/templates/core/user_detail.jinja:71
 #: subscription/templates/subscription/subscription.jinja:4
 #: subscription/templates/subscription/subscription.jinja:8
 msgid "New subscription"
@@ -1757,8 +1759,8 @@ msgstr "Fusionner deux utilisateurs"
 msgid "Subscriptions"
 msgstr "Cotisations"
 
-#: core/templates/core/user_tools.jinja:23 counter/views.py:395
-#: counter/views.py:534
+#: core/templates/core/user_tools.jinja:23 counter/views.py:420
+#: counter/views.py:559
 msgid "Counters"
 msgstr "Comptoirs"
 
@@ -1779,7 +1781,7 @@ msgid "Product types management"
 msgstr "Gestion des types de produit"
 
 #: core/templates/core/user_tools.jinja:30
-#: counter/templates/counter/cash_summary_list.jinja:18 counter/views.py:415
+#: counter/templates/counter/cash_summary_list.jinja:18 counter/views.py:440
 msgid "Cash register summaries"
 msgstr "Relevés de caisse"
 
@@ -1798,16 +1800,16 @@ msgstr "Comptabilité générale"
 msgid "Club account: "
 msgstr "Compte club : "
 
-#: core/views/files.py:41
+#: core/views/files.py:46
 msgid "Add a new folder"
 msgstr "Ajouter un nouveau dossier"
 
-#: core/views/files.py:52
+#: core/views/files.py:57
 #, python-format
 msgid "Error creating folder %(folder_name)s: %(msg)s"
 msgstr "Erreur de création du dossier %(folder_name)s : %(msg)s"
 
-#: core/views/files.py:61 core/views/forms.py:181 core/views/forms.py:185
+#: core/views/files.py:66 core/views/forms.py:181 core/views/forms.py:185
 #, python-format
 msgid "Error uploading file %(file_name)s: %(msg)s"
 msgstr "Erreur d'envoie du fichier %(file_name)s : %(msg)s"
@@ -1953,73 +1955,73 @@ msgstr "vendeurs"
 msgid "token"
 msgstr "jeton"
 
-#: counter/models.py:132 counter/models.py:330 counter/models.py:347
+#: counter/models.py:132 counter/models.py:335 counter/models.py:352
 #: launderette/models.py:16
 msgid "counter"
 msgstr "comptoir"
 
-#: counter/models.py:225
+#: counter/models.py:230
 msgid "bank"
 msgstr "banque"
 
-#: counter/models.py:227 counter/models.py:268
+#: counter/models.py:232 counter/models.py:273
 msgid "is validated"
 msgstr "est validé"
 
-#: counter/models.py:230
+#: counter/models.py:235
 msgid "refilling"
 msgstr "rechargement"
 
-#: counter/models.py:261 eboutic/models.py:103
+#: counter/models.py:266 eboutic/models.py:103
 msgid "unit price"
 msgstr "prix unitaire"
 
-#: counter/models.py:262 counter/models.py:380 eboutic/models.py:104
+#: counter/models.py:267 counter/models.py:385 eboutic/models.py:104
 msgid "quantity"
 msgstr "quantité"
 
-#: counter/models.py:267
+#: counter/models.py:272
 msgid "Sith account"
 msgstr "Compte utilisateur"
 
-#: counter/models.py:267 sith/settings.py:271 sith/settings.py:276
+#: counter/models.py:272 sith/settings.py:271 sith/settings.py:276
 #: sith/settings.py:298
 msgid "Credit card"
 msgstr "Carte bancaire"
 
-#: counter/models.py:271
+#: counter/models.py:276
 msgid "selling"
 msgstr "vente"
 
-#: counter/models.py:333
+#: counter/models.py:338
 msgid "last activity date"
 msgstr "dernière activité"
 
-#: counter/models.py:336
+#: counter/models.py:341
 msgid "permanency"
 msgstr "permanence"
 
-#: counter/models.py:350
+#: counter/models.py:355
 msgid "emptied"
 msgstr "coffre vidée"
 
-#: counter/models.py:353
+#: counter/models.py:358
 msgid "cash register summary"
 msgstr "relevé de caisse"
 
-#: counter/models.py:378
+#: counter/models.py:383
 msgid "cash summary"
 msgstr "relevé"
 
-#: counter/models.py:379
+#: counter/models.py:384
 msgid "value"
 msgstr "valeur"
 
-#: counter/models.py:381
+#: counter/models.py:386
 msgid "check"
 msgstr "chèque"
 
-#: counter/models.py:384
+#: counter/models.py:389
 msgid "cash register summary item"
 msgstr "élément de relevé de caisse"
 
@@ -2034,7 +2036,7 @@ msgid "Barman list"
 msgstr "Barmans"
 
 #: counter/templates/counter/cash_register_summary.jinja:8
-#: counter/templates/counter/counter_main.jinja:43
+#: counter/templates/counter/counter_main.jinja:44
 msgid "Make a cash register summary"
 msgstr "Faire un relevé de caisse"
 
@@ -2047,7 +2049,7 @@ msgstr "Liste des relevés de caisse"
 msgid "Theoric sums"
 msgstr "Sommes théoriques"
 
-#: counter/templates/counter/cash_summary_list.jinja:31 counter/views.py:622
+#: counter/templates/counter/cash_summary_list.jinja:31 counter/views.py:647
 msgid "Emptied"
 msgstr "Coffre vidé"
 
@@ -2141,15 +2143,15 @@ msgstr "Nouveau montant : "
 msgid "Enter client code:"
 msgstr "Entrez un code client : "
 
-#: counter/templates/counter/counter_main.jinja:35
+#: counter/templates/counter/counter_main.jinja:36
 msgid "validate"
 msgstr "valider"
 
-#: counter/templates/counter/counter_main.jinja:38
+#: counter/templates/counter/counter_main.jinja:39
 msgid "Please, login"
 msgstr "Merci de vous identifier"
 
-#: counter/templates/counter/counter_main.jinja:46
+#: counter/templates/counter/counter_main.jinja:47
 msgid "Barman: "
 msgstr "Barman : "
 
@@ -2202,97 +2204,101 @@ msgstr "Pourcentage"
 msgid "User not found"
 msgstr "Utilisateur non trouvé"
 
-#: counter/views.py:86
+#: counter/views.py:101
 msgid "Bad credentials"
 msgstr "Mauvais identifiants"
 
-#: counter/views.py:88
+#: counter/views.py:103
 msgid "User is not barman"
 msgstr "L'utilisateur n'est pas barman."
 
-#: counter/views.py:268
+#: counter/views.py:107
+msgid "Bad location, someone is already logged in somewhere else"
+msgstr "Mauvais comptoir, quelqu'un est déjà connecté ailleurs"
+
+#: counter/views.py:290
 msgid "END"
 msgstr "FIN"
 
-#: counter/views.py:270
+#: counter/views.py:292
 msgid "CAN"
 msgstr "ANN"
 
-#: counter/views.py:300
+#: counter/views.py:322
 msgid "You have not enough money to buy all the basket"
 msgstr "Vous n'avez pas assez d'argent pour acheter le panier"
 
-#: counter/views.py:390
+#: counter/views.py:415
 msgid "Counter administration"
 msgstr "Administration des comptoirs"
 
-#: counter/views.py:400
+#: counter/views.py:425
 msgid "Products"
 msgstr "Produits"
 
-#: counter/views.py:405
+#: counter/views.py:430
 msgid "Archived products"
 msgstr "Produits archivés"
 
-#: counter/views.py:410
+#: counter/views.py:435
 msgid "Product types"
 msgstr "Types de produit"
 
-#: counter/views.py:531
+#: counter/views.py:556
 msgid "Parent product"
 msgstr "Produit parent"
 
-#: counter/views.py:532
+#: counter/views.py:557
 msgid "Buying groups"
 msgstr "Groupes d'achat"
 
-#: counter/views.py:601
+#: counter/views.py:626
 msgid "10 cents"
 msgstr "10 centimes"
 
-#: counter/views.py:602
+#: counter/views.py:627
 msgid "20 cents"
 msgstr "20 centimes"
 
-#: counter/views.py:603
+#: counter/views.py:628
 msgid "50 cents"
 msgstr "50 centimes"
 
-#: counter/views.py:604
+#: counter/views.py:629
 msgid "1 euro"
 msgstr "1 €"
 
-#: counter/views.py:605
+#: counter/views.py:630
 msgid "2 euros"
 msgstr "2 €"
 
-#: counter/views.py:606
+#: counter/views.py:631
 msgid "5 euros"
 msgstr "5 €"
 
-#: counter/views.py:607
+#: counter/views.py:632
 msgid "10 euros"
 msgstr "10 €"
 
-#: counter/views.py:608
+#: counter/views.py:633
 msgid "20 euros"
 msgstr "20 €"
 
-#: counter/views.py:609
+#: counter/views.py:634
 msgid "50 euros"
 msgstr "50 €"
 
-#: counter/views.py:610
+#: counter/views.py:635
 msgid "100 euros"
 msgstr "100 €"
 
-#: counter/views.py:611 counter/views.py:613 counter/views.py:615
-#: counter/views.py:617 counter/views.py:619
+#: counter/views.py:636 counter/views.py:638 counter/views.py:640
+#: counter/views.py:642 counter/views.py:644
 msgid "Check amount"
 msgstr "Montant du chèque"
 
-#: counter/views.py:612 counter/views.py:614 counter/views.py:616
-#: counter/views.py:618 counter/views.py:620
+#: counter/views.py:637 counter/views.py:639 counter/views.py:641
+#: counter/views.py:643 counter/views.py:645
 msgid "Check quantity"
 msgstr "Nombre de chèque"
 
@@ -2652,3 +2658,4 @@ msgstr "Un utilisateur avec cette adresse email existe déjà"
 msgid "You must either choose an existing user or create a new one properly"
 msgstr ""
 "Vous devez soit choisir un utilisateur existant, ou en créer un proprement."
+