Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32g0/STM32G041/RTC/SCR#0x0
status clear register
CALRAF
CALRBF
CWUTF
CTSF
CTSOVF
CITSF
https://github.com/modm-io/cmsis-svd-stm32