Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32H7x5_CM7/Ethernet_MAC/MMC_RX_INTERRUPT_MASK#0x0
MMC Rx interrupt mask register
RXCRCERPIM
RXALGNERPIM
RXUCGPIM
RXLPIUSCIM
RXLPITRCIM
https://github.com/cmsis-svd/cmsis-svd-data