issue solved for multiple charts displayed in production line count

app/Filament/Pages/Dashboard.php

@@ -53,6 +53,15 @@ class Dashboard extends \Filament\Pages\Dashboard
     {
         return 'Production Line Count';
     }
+    public function getWidgets(): array
+    {
+        $widgets = [];
+
+        if (CumulativeChart::canView()) {
+            $widgets[] = CumulativeChart::class;
+        }
+        return $widgets;
+    }
 
     public static function canAccess(): bool
     {