Fatal error: Uncaught TypeError: Argument 1 passed to chillerlan\QRCode\QRCode::render() must be of the type string, null given, called in /home/mountdr1/public_html/public/_QR_CODE/index.php on line 38 and defined in /home/mountdr1/public_html/public/_QR_CODE/php-qr-code-generator/vendor/chillerlan/php-qrcode/src/QRCode.php:179 Stack trace: #0 /home/mountdr1/public_html/public/_QR_CODE/index.php(38): chillerlan\QRCode\QRCode->render(NULL) #1 /home/mountdr1/public_html/public/_QR_CODE/index.php(50): create_qr_code(NULL) #2 {main} thrown in /home/mountdr1/public_html/public/_QR_CODE/php-qr-code-generator/vendor/chillerlan/php-qrcode/src/QRCode.php on line 179