The barcode is not being detected in FlexiLayout Studio, but FlexiCapture can read it.
Barcode detection is not enabled in FlexiLayout Studio pre-recognition properties.
To extract barcodes in FlexiLayout Studio you need to enable barcodes recognition in layout properties.
To set it up you may click on the FlexiLayout option on the menu bar > Properties > Advanced Pre-recognition Properties > Advanced" tab > check the type of the barcode you'd like to extract (e.g. "Extract 2D barcodes: Data Matrix, Aztec, QR Code").