Error while scanning qr codes

Enter a description of your issue here, in full detail.
After opening qr scanner after 1 succesfull scan the place where the camera view became showing green screen. When i looked at the preview in emulation->configurate it was showing the right image

System Information

  • Operating System: Windows 10 Home 64-bit
  • CPU: Intel Core i7 7700HQ @ 2.80GHz
  • Kaby Lake 14nm Technology
  • GPU: Generic PnP Monitor ([email protected])
    Intel HD Graphics 630 (ASUStek Computer Inc)
    4095MB NVIDIA GeForce GTX 1050 Ti (ASUStek Computer Inc) 46 °C
    ForceWare version: 441.93
    SLI Disabled
  • Citra Version (found in title bar): Citra nightly 1678
  • Game: Pokemon Moon
  • Screenshot of Issue (include the full Citra window including titlebar):

Diagnostic Log
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That’s not an error. You configured the front camera but the game only uses the rear camera.
Set up the QR code for the rear camera and it should work.