#8789 fixed javadoc and catched another IllegalStateException

app/src/main/java/se/leap/bitmaskclient/BaseConfigurationWizard.java

@@ -368,9 +368,7 @@ public abstract class BaseConfigurationWizard extends Activity
     }
 
     /**
-     * Once selected a provider, this fragment offers the user to log in,
-     * use it anonymously (if possible)
-     * or cancel his/her election pressing the back button.
+     * Shows an error dialog, if configuring of a provider failed.
      *
      * @param reason_to_fail
      */

app/src/main/java/se/leap/bitmaskclient/Dashboard.java

@@ -349,8 +349,12 @@ public class Dashboard extends Activity implements ProviderAPIResultReceiver.Rec
     }
 
     public void sessionDialog(Bundle resultData) {
+        try {
             FragmentTransaction transaction = fragment_manager.removePreviousFragment(SessionDialog.TAG);
             SessionDialog.getInstance(provider, resultData).show(transaction, SessionDialog.TAG);
+        } catch (IllegalStateException e) {
+            e.printStackTrace();
+        }
     }
 
     private void switchProvider() {