Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32wl/STM32WL5x_CM0P/LPTIM1/LPTIM1_OR#0x0
option register
Option register bit 0
Option register bit 1
https://github.com/modm-io/cmsis-svd-stm32