fix missing general form on seo form error

core/lib/Thelia/Controller/Admin/AbstractSeoCrudController.php

@@ -209,6 +209,16 @@ abstract class AbstractSeoCrudController extends AbstractCrudController
                 $error_msg = $ex->getMessage();*/
         }
 
+        // Load object if exist
+        if (null !== $object = $this->getExistingObject()) {
+
+            // Hydrate the form abd pass it to the parser
+            $changeForm = $this->hydrateObjectForm($object);
+
+            // Pass it to the parser
+            $this->getParserContext()->addForm($changeForm);
+        }
+
         $this->setupFormErrorContext(
             $this->getTranslator()->trans("%obj SEO modification", array('%obj' => $this->objectName)),
             $error_msg,
@@ -216,6 +226,8 @@ abstract class AbstractSeoCrudController extends AbstractCrudController
             $ex
         );
 
+
+
         // At this point, the form has errors, and should be redisplayed.
         return $this->renderEditionTemplate();
     }

templates/backOffice/default/includes/seo-tab.html

@@ -1,6 +1,6 @@
 <div class="form-container">
 
-    <form method="POST" action="{$formAction}" {form_enctype form=$form} class="clearfix">
+    <form method="POST" action="{$formAction}" {form_enctype form=$form} class="clearfix" novalidate>
 
         {include
             file = "includes/inner-form-toolbar.html"