diff --git a/EDMC.py b/EDMC.py
index 159ff879..6a4cb39d 100755
--- a/EDMC.py
+++ b/EDMC.py
@@ -232,6 +232,9 @@ try:
 except companion.ServerError as e:
     sys.stderr.write('Server is down\n')
     sys.exit(EXIT_SERVER)
+except companion.SKUError as e:
+    sys.stderr.write('Server SKU problem\n')
+    sys.exit(EXIT_SERVER)
 except companion.CredentialsError as e:
     sys.stderr.write('Invalid Credentials\n')
     sys.exit(EXIT_CREDENTIALS)
diff --git a/L10n/cs.strings b/L10n/cs.strings
index 6756b39b..57c10404 100644
--- a/L10n/cs.strings
+++ b/L10n/cs.strings
@@ -166,6 +166,9 @@
 /* Raised when Companion API server is returning old data, e.g. when the servers are too busy. [EDMarketConnector.py] */
 "Error: Frontier server is lagging" = "Chyba: Server Frontieru laguje";
 
+/* Raised when the Companion API server thinks that the user has not purchased E:D. i.e. doesn't have the correct 'SKU'. [companion.py] */
+"Error: Frontier server SKU problem" = "Chyba: Server Frontieru SKU problém";
+
 /* [companion.py] */
 "Error: Invalid Credentials" = "Chyba: Chybné přihlašovací údaje";
 
diff --git a/L10n/de.strings b/L10n/de.strings
index 81ac75f1..d76c985d 100644
--- a/L10n/de.strings
+++ b/L10n/de.strings
@@ -166,6 +166,9 @@
 /* Raised when Companion API server is returning old data, e.g. when the servers are too busy. [EDMarketConnector.py] */
 "Error: Frontier server is lagging" = "Fehler: Frontier-Server ist überlastet";
 
+/* Raised when the Companion API server thinks that the user has not purchased E:D. i.e. doesn't have the correct 'SKU'. [companion.py] */
+"Error: Frontier server SKU problem" = "Fehler: Frontier-Server SKU Problem";
+
 /* [companion.py] */
 "Error: Invalid Credentials" = "Fehler: Ungültige Anmeldedaten";
 
diff --git a/L10n/en.template b/L10n/en.template
index f9d1c552..9fef51c7 100644
--- a/L10n/en.template
+++ b/L10n/en.template
@@ -166,6 +166,9 @@
 /* Raised when Companion API server is returning old data, e.g. when the servers are too busy. [EDMarketConnector.py] */
 "Error: Frontier server is lagging" = "Error: Frontier server is lagging";
 
+/* Raised when the Companion API server thinks that the user has not purchased E:D. i.e. doesn't have the correct 'SKU'. [companion.py] */
+"Error: Frontier server SKU problem" = "Error: Frontier server SKU problem";
+
 /* [companion.py] */
 "Error: Invalid Credentials" = "Error: Invalid Credentials";
 
diff --git a/L10n/es.strings b/L10n/es.strings
index a0caf9c7..bcc9a076 100644
--- a/L10n/es.strings
+++ b/L10n/es.strings
@@ -166,6 +166,9 @@
 /* Raised when Companion API server is returning old data, e.g. when the servers are too busy. [EDMarketConnector.py] */
 "Error: Frontier server is lagging" = "Error: El servidor de Frontier está retrasado";
 
+/* Raised when the Companion API server thinks that the user has not purchased E:D. i.e. doesn't have the correct 'SKU'. [companion.py] */
+"Error: Frontier server SKU problem" = "Error: Problema de SKU en el servidor de Frontier";
+
 /* [companion.py] */
 "Error: Invalid Credentials" = "Error: Credenciales Inválidas";
 
diff --git a/L10n/fi.strings b/L10n/fi.strings
index 4ca56f49..cf8d8ed2 100644
--- a/L10n/fi.strings
+++ b/L10n/fi.strings
@@ -166,6 +166,9 @@
 /* Raised when Companion API server is returning old data, e.g. when the servers are too busy. [EDMarketConnector.py] */
 "Error: Frontier server is lagging" = "Virhe: Frontierin palvelin vastaa vanhoilla tiedoilla";
 
+/* Raised when the Companion API server thinks that the user has not purchased E:D. i.e. doesn't have the correct 'SKU'. [companion.py] */
+"Error: Frontier server SKU problem" = "Virhe: Frontier -palvelimen SKU-ongelma";
+
 /* [companion.py] */
 "Error: Invalid Credentials" = "Virhe: kirjautuminen ei kelpaa";
 
diff --git a/L10n/fr.strings b/L10n/fr.strings
index 57e1f9f8..f15db41e 100644
--- a/L10n/fr.strings
+++ b/L10n/fr.strings
@@ -166,6 +166,9 @@
 /* Raised when Companion API server is returning old data, e.g. when the servers are too busy. [EDMarketConnector.py] */
 "Error: Frontier server is lagging" = "Erreur : Le serveur Frontier ne répond pas";
 
+/* Raised when the Companion API server thinks that the user has not purchased E:D. i.e. doesn't have the correct 'SKU'. [companion.py] */
+"Error: Frontier server SKU problem" = "Erreur : Le serveur Frontier a un problème de SKU";
+
 /* [companion.py] */
 "Error: Invalid Credentials" = "Erreur : Identifiants invalides";
 
diff --git a/L10n/it.strings b/L10n/it.strings
index 158a8354..5d7fca46 100644
--- a/L10n/it.strings
+++ b/L10n/it.strings
@@ -166,6 +166,9 @@
 /* Raised when Companion API server is returning old data, e.g. when the servers are too busy. [EDMarketConnector.py] */
 "Error: Frontier server is lagging" = "Errore: il server Frontier sta laggando";
 
+/* Raised when the Companion API server thinks that the user has not purchased E:D. i.e. doesn't have the correct 'SKU'. [companion.py] */
+"Error: Frontier server SKU problem" = "Errore: il server Frontier ha un problema SKU";
+
 /* [companion.py] */
 "Error: Invalid Credentials" = "Errore: Credenziali non valide";
 
diff --git a/L10n/ja.strings b/L10n/ja.strings
index c56e2db6..507012d8 100644
--- a/L10n/ja.strings
+++ b/L10n/ja.strings
@@ -166,6 +166,9 @@
 /* Raised when Companion API server is returning old data, e.g. when the servers are too busy. [EDMarketConnector.py] */
 "Error: Frontier server is lagging" = "エラー: Frontier社のサーバが混雑しています";
 
+/* Raised when the Companion API server thinks that the user has not purchased E:D. i.e. doesn't have the correct 'SKU'. [companion.py] */
+"Error: Frontier server SKU problem" = "エラー: Frontier社のサーバで非ゲーム所有者と判断されました";
+
 /* [companion.py] */
 "Error: Invalid Credentials" = "エラー: 認証情報に誤りがあります";
 
diff --git a/L10n/lv.strings b/L10n/lv.strings
index 6fe16bb3..3d6f47ae 100644
--- a/L10n/lv.strings
+++ b/L10n/lv.strings
@@ -166,6 +166,9 @@
 /* Raised when Companion API server is returning old data, e.g. when the servers are too busy. [EDMarketConnector.py] */
 "Error: Frontier server is lagging" = "Kļūda: Frontier serveris aizkavējas";
 
+/* Raised when the Companion API server thinks that the user has not purchased E:D. i.e. doesn't have the correct 'SKU'. [companion.py] */
+"Error: Frontier server SKU problem" = "Error: Frontier server SKU problem";
+
 /* [companion.py] */
 "Error: Invalid Credentials" = "Kļūda: Nederīga lietotāja informācija";
 
diff --git a/L10n/nl.strings b/L10n/nl.strings
index 3f1fe544..0d17c7b0 100644
--- a/L10n/nl.strings
+++ b/L10n/nl.strings
@@ -166,6 +166,9 @@
 /* Raised when Companion API server is returning old data, e.g. when the servers are too busy. [EDMarketConnector.py] */
 "Error: Frontier server is lagging" = "Fout: Frontier server is vertraagd";
 
+/* Raised when the Companion API server thinks that the user has not purchased E:D. i.e. doesn't have the correct 'SKU'. [companion.py] */
+"Error: Frontier server SKU problem" = "Fout: Frontier server SKU probleem";
+
 /* [companion.py] */
 "Error: Invalid Credentials" = "Fout: Ongeldige inlog gegevens";
 
diff --git a/L10n/pl.strings b/L10n/pl.strings
index 13b5066f..8e394efd 100644
--- a/L10n/pl.strings
+++ b/L10n/pl.strings
@@ -166,6 +166,9 @@
 /* Raised when Companion API server is returning old data, e.g. when the servers are too busy. [EDMarketConnector.py] */
 "Error: Frontier server is lagging" = "Błąd: Serwer Frontiera laguje";
 
+/* Raised when the Companion API server thinks that the user has not purchased E:D. i.e. doesn't have the correct 'SKU'. [companion.py] */
+"Error: Frontier server SKU problem" = "Błąd w odpowiedzi serwera autoryzacyjnego.";
+
 /* [companion.py] */
 "Error: Invalid Credentials" = "Błąd: Dane uwierzytelniające niepoprawne";
 
diff --git a/L10n/ru.strings b/L10n/ru.strings
index fe6e441a..a59305e3 100644
--- a/L10n/ru.strings
+++ b/L10n/ru.strings
@@ -166,6 +166,9 @@
 /* Raised when Companion API server is returning old data, e.g. when the servers are too busy. [EDMarketConnector.py] */
 "Error: Frontier server is lagging" = "Ошибка: Сервер Фронтир лаг'ает";
 
+/* Raised when the Companion API server thinks that the user has not purchased E:D. i.e. doesn't have the correct 'SKU'. [companion.py] */
+"Error: Frontier server SKU problem" = "Error: Frontier server SKU problem";
+
 /* [companion.py] */
 "Error: Invalid Credentials" = "Ошибка: неверное имя пользователя или пароль";
 
diff --git a/L10n/sr-Latn.strings b/L10n/sr-Latn.strings
index 5f820b97..a024c9da 100644
--- a/L10n/sr-Latn.strings
+++ b/L10n/sr-Latn.strings
@@ -166,6 +166,9 @@
 /* Raised when Companion API server is returning old data, e.g. when the servers are too busy. [EDMarketConnector.py] */
 "Error: Frontier server is lagging" = "Greška: Frontier server je usporen";
 
+/* Raised when the Companion API server thinks that the user has not purchased E:D. i.e. doesn't have the correct 'SKU'. [companion.py] */
+"Error: Frontier server SKU problem" = "Greška: SKU problem na Frontier Serveru.";
+
 /* [companion.py] */
 "Error: Invalid Credentials" = "Greška: Pogrešni kredencijali";
 
diff --git a/L10n/uk.strings b/L10n/uk.strings
index 0eed0dec..a4d2784c 100644
--- a/L10n/uk.strings
+++ b/L10n/uk.strings
@@ -166,6 +166,9 @@
 /* Raised when Companion API server is returning old data, e.g. when the servers are too busy. [EDMarketConnector.py] */
 "Error: Frontier server is lagging" = "Помилка: З`єднання з сервером гри з затримками!";
 
+/* Raised when the Companion API server thinks that the user has not purchased E:D. i.e. doesn't have the correct 'SKU'. [companion.py] */
+"Error: Frontier server SKU problem" = "Error: Frontier server SKU problem";
+
 /* [companion.py] */
 "Error: Invalid Credentials" = "Помилка: Невірні облікові дані!";
 
diff --git a/companion.py b/companion.py
index f9098ade..075bed7c 100644
--- a/companion.py
+++ b/companion.py
@@ -114,6 +114,12 @@ class ServerLagging(Exception):
     def __str__(self):
         return unicode(self).encode('utf-8')
 
+class SKUError(Exception):
+    def __unicode__(self):
+        return _('Error: Frontier server SKU problem')	# Raised when the Companion API server thinks that the user has not purchased E:D. i.e. doesn't have the correct 'SKU'
+    def __str__(self):
+        return unicode(self).encode('utf-8')
+
 class CredentialsError(Exception):
     def __unicode__(self):
         return _('Error: Invalid Credentials')
@@ -193,7 +199,10 @@ class Session:
             raise ServerError()
         elif r.url == self.server + URL_LOGIN:		# would have redirected away if success
             self.dump(r)
-            raise CredentialsError()
+            if 'purchase' in r.text.lower():
+                raise SKUError()
+            else:
+                raise CredentialsError()
         elif r.url == self.server + URL_CONFIRM:	# redirected to verification page
             self.state = Session.STATE_AUTH
             raise VerificationRequired()