Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series1/EFR32MG1B/EFR32MG1B231F256GM32/IDAC0/IEN#0x0
Interrupt Enable Register
APORTCONFLICT Interrupt Enable
https://github.com/cmsis-svd/cmsis-svd-data