Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32L4S9/RCC/APB1RSTR2#0x0
APB1 peripheral reset register 2
Low-power UART 1 reset
I2C4 reset
Low-power timer 2 reset
https://github.com/cmsis-svd/cmsis-svd-data