Fatal error: Uncaught Error: Class 'TCPDF' not found in /opt/lampp/htdocs/tienda.apirest/vendor/setasign/fpdi/src/Tcpdf/Fpdi.php:37 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/tienda.apirest/vendor/setasign/fpdi/src/Tcpdf/Fpdi.php on line 37