If you see the error code NQL.23000 on your Android phone or tablet, often accompanied by one of the following error messages:
Downloads on Too Many Devices
Try removing downloads from this device. (NQL.23000)
You have downloads on too many devices. Please remove downloads from another device, or go to netflix.com/changeplan for plan options. (NQL.23000)
It means you've downloaded TV shows and movies on as many devices as your plan allows. To download on another device, you can:
Delete downloaded titles from an existing device, or
Upgrade your Netflix plan.