Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32l4/STM32L4x1/TIM2/OR1#0x0
TIM2 option register 1
Internal trigger 1 remap
External trigger remap
Input Capture 4 remap
https://github.com/modm-io/cmsis-svd-stm32