Fatal error: Uncaught Error: Call to undefined function app() in /home/previewpanel/public_html/epos/storage/framework/views/d69e5a726a8afca4e3ee86e2df6986578483356d.php:4 Stack trace: #0 {main} thrown in /home/previewpanel/public_html/epos/storage/framework/views/d69e5a726a8afca4e3ee86e2df6986578483356d.php on line 4