Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series1/EFM32GG12B/EFM32GG12B510F1024GM64/CAN1/IF0IEN#0x0
Message Object Interrupt Enable Register
MESSAGE Interrupt Enable
https://github.com/cmsis-svd/cmsis-svd-data