-        String currentAccountVersion = accountMgr.getUserData(currentAccount, Constants.KEY_OC_ACCOUNT_VERSION);\r
-\r
-        if (currentAccountVersion == null) {\r
-            Log_OC.i(TAG, "Upgrading accounts to account version #" + ACCOUNT_VERSION);\r
-            Account[] ocAccounts = accountMgr.getAccountsByType(MainApp.getAccountType());\r
-            String serverUrl, username, newAccountName, password;\r
-            Account newAccount;\r
-            for (Account account : ocAccounts) {\r
-                // build new account name\r
-                serverUrl = accountMgr.getUserData(account, Constants.KEY_OC_BASE_URL);\r
-                username = account.name.substring(0, account.name.lastIndexOf('@'));\r
-                newAccountName = com.owncloud.android.lib.common.accounts.AccountUtils.\r
-                    buildAccountName(Uri.parse(serverUrl), username);\r
-\r
-                // migrate to a new account, if needed\r
-                if (!newAccountName.equals(account.name)) {\r
-                    Log_OC.d(TAG, "Upgrading " + account.name + " to " + newAccountName );\r
-\r
-                    // create the new account\r
-                    newAccount = new Account(newAccountName, MainApp.getAccountType());\r
-                    password = accountMgr.getPassword(account);\r
-                    accountMgr.addAccountExplicitly(newAccount, (password != null) ? password : "", null);\r
-\r
-                    // copy base URL\r
-                    accountMgr.setUserData(newAccount, Constants.KEY_OC_BASE_URL, serverUrl);\r
-\r
-                    // copy server version\r
-                    accountMgr.setUserData(\r
-                        newAccount,\r
-                        Constants.KEY_OC_VERSION,\r
-                        accountMgr.getUserData(account, Constants.KEY_OC_VERSION)\r
-                    );\r
-\r
-                    // copy cookies\r
-                    accountMgr.setUserData(\r
-                        newAccount,\r
-                        Constants.KEY_COOKIES,\r
-                        accountMgr.getUserData(account, Constants.KEY_COOKIES)\r
-                    );\r
-\r
-                    // copy type of authentication\r
-                    String isSamlStr = accountMgr.getUserData(account, Constants.KEY_SUPPORTS_SAML_WEB_SSO);\r
-                    boolean isSaml = "TRUE".equals(isSamlStr);\r
-                    if (isSaml) {\r
-                        accountMgr.setUserData(newAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");\r
-                    }\r
-\r
-                    String isOauthStr = accountMgr.getUserData(account, Constants.KEY_SUPPORTS_OAUTH2);\r
-                    boolean isOAuth = "TRUE".equals(isOauthStr);\r
-                    if (isOAuth) {\r
-                        accountMgr.setUserData(newAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");\r
-                    }\r
+        if ( currentAccount != null ) {\r
+            String currentAccountVersion = accountMgr.getUserData(currentAccount, Constants.KEY_OC_ACCOUNT_VERSION);\r
+\r
+            if (currentAccountVersion == null) {\r
+                Log_OC.i(TAG, "Upgrading accounts to account version #" + ACCOUNT_VERSION);\r
+                Account[] ocAccounts = accountMgr.getAccountsByType(MainApp.getAccountType());\r
+                String serverUrl, username, newAccountName, password;\r
+                Account newAccount;\r
+                for (Account account : ocAccounts) {\r
+                    // build new account name\r
+                    serverUrl = accountMgr.getUserData(account, Constants.KEY_OC_BASE_URL);\r
+                    username = account.name.substring(0, account.name.lastIndexOf('@'));\r
+                    newAccountName = com.owncloud.android.lib.common.accounts.AccountUtils.\r
+                            buildAccountName(Uri.parse(serverUrl), username);\r
+\r
+                    // migrate to a new account, if needed\r
+                    if (!newAccountName.equals(account.name)) {\r
+                        Log_OC.d(TAG, "Upgrading " + account.name + " to " + newAccountName);\r
+\r
+                        // create the new account\r
+                        newAccount = new Account(newAccountName, MainApp.getAccountType());\r
+                        password = accountMgr.getPassword(account);\r
+                        accountMgr.addAccountExplicitly(newAccount, (password != null) ? password : "", null);\r
+\r
+                        // copy base URL\r
+                        accountMgr.setUserData(newAccount, Constants.KEY_OC_BASE_URL, serverUrl);\r
+\r
+                        // copy server version\r
+                        accountMgr.setUserData(\r
+                                newAccount,\r
+                                Constants.KEY_OC_VERSION,\r
+                                accountMgr.getUserData(account, Constants.KEY_OC_VERSION)\r
+                        );\r
+\r
+                        // copy cookies\r
+                        accountMgr.setUserData(\r
+                                newAccount,\r
+                                Constants.KEY_COOKIES,\r
+                                accountMgr.getUserData(account, Constants.KEY_COOKIES)\r
+                        );\r
+\r
+                        // copy type of authentication\r
+                        String isSamlStr = accountMgr.getUserData(account, Constants.KEY_SUPPORTS_SAML_WEB_SSO);\r
+                        boolean isSaml = "TRUE".equals(isSamlStr);\r
+                        if (isSaml) {\r
+                            accountMgr.setUserData(newAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");\r
+                        }\r
+\r
+                        String isOauthStr = accountMgr.getUserData(account, Constants.KEY_SUPPORTS_OAUTH2);\r
+                        boolean isOAuth = "TRUE".equals(isOauthStr);\r
+                        if (isOAuth) {\r
+                            accountMgr.setUserData(newAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");\r
+                        }\r