Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32wl3/STM32WL33/STATUS/RX_CRC_REG#0x0
RX_CRC_REG register
CRC field of the received packet (read-only info)
https://github.com/modm-io/cmsis-svd-stm32