diff --git a/app/Http/Controllers/KelasTesisController.php b/app/Http/Controllers/KelasTesisController.php
index ef4b941d064c42668e91fb6d2deb057ae6e6ab0f..1350c89cceae5f17d29629da9f9e3e7c67893b6d 100644
--- a/app/Http/Controllers/KelasTesisController.php
+++ b/app/Http/Controllers/KelasTesisController.php
@@ -32,13 +32,17 @@ class KelasTesisController extends Controller
         $manajer = Auth::user()->isManajer();
         if($manajer) {
             $data = $request->all();
-            $ok_count = 0;
 
             $validator = $this->validateKelasTesis($data);
             if ($validator->fails()) {
-                echo json_encode($validator->errors());
+                $errMsg = $validator->messages()->all();
+                foreach ($errMsg as $value) {
+                    echo '<div class="alert alert-warning alert-dismissible fade show text-center">
+                    <button type="button" class="close" data-dismiss="alert">&times;</button>
+                    <strong>'.$value.'</strong>
+                    </div>';
+                }
             } else {
-                $ok_count++;
                 $tahun = null;
                 if(idate("m") > 6){
                     if($data['semester'] == 1){
@@ -58,13 +62,13 @@ class KelasTesisController extends Controller
                     'semester' => $data['semester'],
                     'id_dosen_kelas' => $data['dosen_id']
                 ]);
-            }
 
-            if($ok_count==0) {
-                return abort(400);
-            } else {
-                return redirect('/kelastesis');
+                echo '<div class="alert alert-success alert-dismissible fade show text-center">
+                <button type="button" class="close" data-dismiss="alert">&times;</button>
+                <strong>Success !</strong> Kelas Tesis created!
+                </div>';
             }
+            return $this->showKelasTesis();
         } else{
             return abort (403);
         }