Fatal error: Uncaught Picqer\Barcode\Exceptions\InvalidLengthException: You should provide a barcode string. in /www/wwwroot/accvivekgems.com/barcode/src/Types/TypeCode128.php:137 Stack trace: #0 /www/wwwroot/accvivekgems.com/barcode/src/BarcodeGenerator.php(112): Picqer\Barcode\Types\TypeCode128->getBarcode() #1 /www/wwwroot/accvivekgems.com/barcode/src/BarcodeGeneratorPNG.php(24): Picqer\Barcode\BarcodeGenerator->getBarcodeData() #2 /www/wwwroot/accvivekgems.com/barcode/index.php(14): Picqer\Barcode\BarcodeGeneratorPNG->getBarcode() #3 {main} thrown in /www/wwwroot/accvivekgems.com/barcode/src/Types/TypeCode128.php on line 137