Fatal error: Uncaught Error: Call to undefined function app() in /home/previewpanel/public_html/epos/storage/framework/views/2c31f4b31583ee6e9c825c8256afb930b9f3f616.php:4 Stack trace: #0 {main} thrown in /home/previewpanel/public_html/epos/storage/framework/views/2c31f4b31583ee6e9c825c8256afb930b9f3f616.php on line 4