Fatal error: Uncaught Error: Using $this when not in object context in E:\xampp\data2\anugerah template\application\views\app\mod_penjualan\view_penjualan.php:2 Stack trace: #0 {main} thrown in E:\xampp\data2\anugerah template\application\views\app\mod_penjualan\view_penjualan.php on line 2