diff --git a/src/ninegate-1.0/src/Cadoles/CASBundle/Controller/SecurityController.php b/src/ninegate-1.0/src/Cadoles/CASBundle/Controller/SecurityController.php
index 3cfb2a89..b0667cb5 100644
--- a/src/ninegate-1.0/src/Cadoles/CASBundle/Controller/SecurityController.php
+++ b/src/ninegate-1.0/src/Cadoles/CASBundle/Controller/SecurityController.php
@@ -30,7 +30,7 @@ class SecurityController extends Controller
 
         // Init Client CAS
         \phpCAS::setDebug("/var/log/phpcas/phpCAS-ninegate.log");
-        \phpCAS::client(CAS_VERSION_2_0, $this->getParameter('cas_host'), $this->getParameter('cas_port'), is_null($this->getParameter('cas_path')) ? '' : $this->getParameter('cas_path'), false);
+        @\phpCAS::client(CAS_VERSION_2_0, $this->getParameter('cas_host'), $this->getParameter('cas_port'), is_null($this->getParameter('cas_path')) ? '' : $this->getParameter('cas_path'), false);
         \phpCAS::setNoCasServerValidation();
 
 
@@ -194,7 +194,7 @@ class SecurityController extends Controller
     public function logoutAction() {
         // Init Client CAS
         \phpCAS::setDebug(false);
-        \phpCAS::client(CAS_VERSION_2_0, $this->getParameter('cas_host'), $this->getParameter('cas_port'), is_null($this->getParameter('cas_path')) ? '' : $this->getParameter('cas_path'), true);
+        @\phpCAS::client(CAS_VERSION_2_0, $this->getParameter('cas_host'), $this->getParameter('cas_port'), is_null($this->getParameter('cas_path')) ? '' : $this->getParameter('cas_path'), true);
         \phpCAS::setNoCasServerValidation();
 
 
@@ -208,7 +208,7 @@ class SecurityController extends Controller
 
         // Init Client CAS
         \phpCAS::setDebug("/var/log/phpcas/phpCAS-ninegate.log");
-        \phpCAS::client(CAS_VERSION_2_0, $this->getParameter('cas_host'), $this->getParameter('cas_port'), is_null($this->getParameter('cas_path')) ? '' : $this->getParameter('cas_path'), false);
+        @\phpCAS::client(CAS_VERSION_2_0, $this->getParameter('cas_host'), $this->getParameter('cas_port'), is_null($this->getParameter('cas_path')) ? '' : $this->getParameter('cas_path'), false);
         \phpCAS::setNoCasServerValidation();
 
 
diff --git a/src/ninegate-1.0/src/Cadoles/CoreBundle/Resources/public/themes/metice/style.css b/src/ninegate-1.0/src/Cadoles/CoreBundle/Resources/public/themes/metice/style.css
index 2b010aae..cba9de23 100644
--- a/src/ninegate-1.0/src/Cadoles/CoreBundle/Resources/public/themes/metice/style.css
+++ b/src/ninegate-1.0/src/Cadoles/CoreBundle/Resources/public/themes/metice/style.css
@@ -280,3 +280,62 @@ div.header > a.title > span {
     color: var(--fontcolorhover, white) !important;
     background: var(--fontcolorhoverdark, black) !important;
 }
+
+/* 
+ * mise à jour du thème pour le bandeau escamotable #31431 
+ */
+
+    nav.navbarsmall {
+        background: white !important;
+    }
+
+    .navbarsmall .navbar-brand {
+        color: black !important;
+        font-family: var(--fontfacetitle);
+    }
+
+    .navbarsmall #logo {
+        float: left !important;
+        top: 0px !important;
+        left: 0px !important;
+        position: relative !important;
+    }
+    .navbarsmall {
+        height: 50px !important;
+        overflow-y: hidden;
+    }
+    .navbarsmall .nav.navbar-top-links.navbar-right > li a {font-size: 1.5em; }
+
+    .navbarsmall .title img { margin-left:-300px !important;}
+    .navbarsmall small {
+        top: 18px !important;
+        font-size: 0.5em;
+    }
+
+    .navbarsmall .nav.navbar-top-links.navbar-left li {
+        display: block;
+    }
+
+    .navbarsmall a.navbar-brand {
+        line-height: 27px !important;
+        transition:line-height 0.5s ease;
+        font-size: 1.3em;
+        margin-left: -90px;
+        margin-top: -3px;
+    }
+
+    .navbarsmall #logo {
+        /* remplacer l'image en définissant une image de background */
+        /* et en positionnant un padding de la largeur de l'image */
+        display: block;
+        -moz-box-sizing: border-box;
+        box-sizing: border-box;
+        background: var(--logo) no-repeat;
+        width: 62px; /* Width of new image */
+        height: 23px !important; /* Height of new image */
+        padding-left: 62px; /* Equal to width of new image */
+        margin-top: -1px;
+        margin-left: 86px;
+        margin-right: 14px;
+    }
+    .navbarsmall .avatar {height: 25px; }
diff --git a/src/ninegate-1.0/src/Cadoles/PortalBundle/Form/ItemType.php b/src/ninegate-1.0/src/Cadoles/PortalBundle/Form/ItemType.php
index 06e61041..016c9b39 100644
--- a/src/ninegate-1.0/src/Cadoles/PortalBundle/Form/ItemType.php
+++ b/src/ninegate-1.0/src/Cadoles/PortalBundle/Form/ItemType.php
@@ -137,6 +137,7 @@ class ItemType extends AbstractType
         if($options["ssosynchroitem"]) {
             $builder->add("ssoitem", TextType::class, [
                 "label"         => "Visible si attribut SSO ".$options["user_attr_cas_item"]." égale à",
+                "required"      => false,
                 "disabled"      => ($options["mode"]=="delete"?true:false),
             ]);            
         }