diff --git a/app/Http/Controllers/HierarchyFtthController.php b/app/Http/Controllers/HierarchyFtthController.php
index 03b42e6..388bb2a 100644
--- a/app/Http/Controllers/HierarchyFtthController.php
+++ b/app/Http/Controllers/HierarchyFtthController.php
@@ -5,6 +5,7 @@ namespace App\Http\Controllers;
 use Illuminate\Http\Request;
 use App\Models\HierarchyFtth;
 use App\Models\VersionGantt;
+use Illuminate\Support\Facades\Log;
 
 class HierarchyFtthController extends Controller
 {
@@ -106,18 +107,26 @@ class HierarchyFtthController extends Controller
         ->where('proyek_id', $project_id)
         ->groupBy('hierarchy_ftth_id')
         ->get();
+      if($ftthIds){
+        foreach ($ftthIds as $ftthId) {
+          $gantts = VersionGantt::where('hierarchy_ftth_id', $ftthId->hierarchy_ftth_id)->sum('progress');
+          $ganttCount = VersionGantt::where('hierarchy_ftth_id', $ftthId->hierarchy_ftth_id)->count();
+
+          $ftth = HierarchyFtth::find($ftthId->hierarchy_ftth_id);
+          if($ftth){
+            $round = $gantts/$ganttCount;
+            $ftth->progress = round($round, 2);
+            try {
+                $ftth->save();
+            } catch (\Exception $e) {
+                // Log the error or handle it in some other way
+                Log::error($e->getMessage());
+            }
 
-      foreach ($ftthIds as $ftthId) {
-        $gantts = VersionGantt::where('hierarchy_ftth_id', $ftthId->hierarchy_ftth_id)->sum('progress');
-        $ganttCount = VersionGantt::where('hierarchy_ftth_id', $ftthId->hierarchy_ftth_id)->count();
-
-        $ftth = HierarchyFtth::find($ftthId->hierarchy_ftth_id);
-        $round = $gantts/$ganttCount;
-        $ftth->progress = round($round, 2);
-        $ftth->save();
-
-        if($ftth->parent_id){
-          $this->countParent($ftth); 
+            if($ftth->parent_id){
+              $this->countParent($ftth); 
+            }
+          }
         }
       }
     }
@@ -126,11 +135,18 @@ class HierarchyFtthController extends Controller
       $parent = HierarchyFtth::find($ftth->parent_id);
       $children = HierarchyFtth::where('parent_id', $ftth->parent_id)->sum('progress');
       $childrenCount = HierarchyFtth::where('parent_id', $ftth->parent_id)->count();
-      $round = $children/$childrenCount;
-      $parent->progress = round($round, 2);
-      $parent->save();
-      if($parent->parent_id) {
-        $this->countParent($parent);
+      if($parent){
+        $round = $children/$childrenCount;
+        $parent->progress = round($round, 2);
+        try {
+            $parent->save();
+        } catch (\Exception $e) {
+            // Log the error or handle it in some other way
+            Log::error($e->getMessage());
+        }
+        if($parent->parent_id) {
+          $this->countParent($parent);
+        }
       }
     }
     
diff --git a/app/Http/Controllers/UserToActivityController.php b/app/Http/Controllers/UserToActivityController.php
index 168af3d..1c70fc8 100644
--- a/app/Http/Controllers/UserToActivityController.php
+++ b/app/Http/Controllers/UserToActivityController.php
@@ -27,10 +27,10 @@ class UserToActivityController extends Controller
 	public function addMultiple(Request $request){
 		$users_id = $request->user_id;
 
-		$data = UserToActivity::where("activity_id", $request->activity_id);
-		if($data){
-			$data->delete();
-		}
+		// $data = UserToActivity::where("activity_id", $request->activity_id);
+		// if($data){
+		// 	$data->delete();
+		// }
 
 		if(is_array($users_id) && count($users_id) > 0){
 			$countRes = 0;