Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32wl3/STM32WL33/MR_SUBG/RF_FSM0_TIMEOUT#0x0
RF_FSM0_TIMEOUT register
Timeout for the RF regulator startup (duration in ENA_RF_REG state)
https://github.com/modm-io/cmsis-svd-stm32