Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32g4/STM32G431/IWDG/SR#0x0
Status register
Watchdog prescaler value update
Watchdog counter reload value update
Watchdog counter window value update
https://github.com/modm-io/cmsis-svd-stm32