Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32L562/PKA/PKA_CLRFR#0x0
PKA clear flag register
clear PKA end of operation flag
CLEAR PKA RAM ERROR FLAG
clear address error flag
https://github.com/cmsis-svd/cmsis-svd-data