Android Barcode Printing issue model : Zebra LP2824

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when send print command displaying this messge only for this model : Zebra LP2824

java.lang.NullPointerException: Attempt to get length of null array
W/System.err: at java.lang.StringFactory.newStringFromBytes(StringFactory.java:46)
W/System.err: at com.zebra.sdk.comm.UsbConnection.getSerialNumberFromDevice(Unknown Source:28)
W/System.err: at com.zebra.sdk.comm.UsbConnection.loadSerialNumber(Unknown Source:24)
W/System.err: at com.zebra.sdk.comm.UsbConnection.loadDeviceMap(Unknown Source:10)
W/System.err: at com.zebra.sdk.comm.UsbConnection.<init>(Unknown Source:29)
W/System.err: at com.zebra.sdk.comm.UsbConnection.<init>(Unknown Source:4)
W/System.err: at com.zebra.sdk.printer.discovery.DiscoveredPrinterUsb.getConnection(Unknown Source:6)
W/System.err: at com.howmuch.pos.BarcodePrintActivity.printFormat(BarcodePrintActivity.java:398)
W/System.err: at com.howmuch.pos.BarcodePrintActivity$1$1.run(BarcodePrintActivity.java:138)
W/System.err: at java.lang.Thread.run(Thread.java:919)

Rabeb Othmani
Firmware version

Hello, 
Could you please provide the Firmware version and allcv report? 

Thanks

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