Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32L562/RTC/SCR#0x0
RTC status clear register
CALRAF
CALRBF
CWUTF
CTSF
CTSOVF
CITSF
https://github.com/cmsis-svd/cmsis-svd-data