Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Microchip Technology/ATSAME70N20B/USBHS/USBHS_HSTDMA[2]/HSTDMANXTDSC#0x0
Host DMA Channel Next Descriptor Address Register
Next Descriptor Address
https://github.com/cmsis-svd/cmsis-svd-data