Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series1/EFM32GG12B/EFM32GG12B310F1024GQ100/LETIMER1/IEN#0x0
Interrupt Enable Register
COMP0 Interrupt Enable
COMP1 Interrupt Enable
UF Interrupt Enable
REP0 Interrupt Enable
REP1 Interrupt Enable
https://github.com/cmsis-svd/cmsis-svd-data