Fatal error: Uncaught Error: Call to undefined function app() in /home/gbc4/public_html/erp/storage/framework/views/c561c09dbfe102ab640c42e24c67bd311d7876a5.php:1 Stack trace: #0 {main} thrown in /home/gbc4/public_html/erp/storage/framework/views/c561c09dbfe102ab640c42e24c67bd311d7876a5.php on line 1