Barcode not detected

[Lukaz32]

I'm trying to read the following barcode

but it's just never detected.
I've set my output in my RSCodeReaderViewController subclass to consider every type available like so

output.metadataObjectTypes = NSArray(array: output.availableMetadataObjectTypes) as [AnyObject]

and have my callback closure like so:

self.barcodesHandler = { [weak self] barcodes in
            guard let barcode = barcodes.first else { return }
            self?.delegate?.detectedBarcode(barcode: BarcodeNumber(undefinedCode: barcode.stringValue))
        }

Am I missing something or that type of barcode is not supported?

Thanks in advance