git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2297 6f19259b-4bc3-4df7-8a09-765794883524

Tools/Java/Source/FrameworkWizard/src/org/tianocore/frameworkwizard/platform/ui/FpdModuleSA.java

@@ -457,10 +457,12 @@ public class FpdModuleSA extends JDialog implements ActionListener {
                         instancesName += " ";
                     }
                     String msg = new ImproperInstanceException(lcd.className, instancesName, lcd.supArchs, lcd.supModTypes).getMessage();
+                    if (!errorMsg.contains(msg)) {
                         errorMsg.add(msg);
                     }
                 }
             }
+        }
         
         return false;
     }