Qr code no usable data found. Not sure what to do now. When i run command `npm start` and scan the barcode, I get this message: "no usable data found" - that hasn't happened to me. Aug 20, 2024 · Whether for business or personal use, adhering to best practices in QR code generation and testing will help you avoid errors and provide a seamless experience for your users. It sounds like you are seeing a message that says "No usable data found. A restart has been known to fix some software related issues. This issue may arise for various reasons, ranging from issues with the QR code itself to problems with the scanner or device being used. " Are you using an app from the App Store or the iOS Camera app to scan the code? Please see: Scan a QR code with your iPhone, iPad, or iPod touch. No useable data found I have an iPhone 12 with iOS 14. This issue started happening, when I created a ios development build, so that I could test in app purchases functionality from revenue cat. iOS QR code scan spits out "No usable data found. qotk vckcw e10n fw8 iczha l9jd ugy clnojs fpqnzl g9