Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Renesas Electronics/R7FA4M1AB/BUS/BUSMCNTM4I#0x0
IERES=0
Master Bus Control Register M4I
These bits are read as 000000000000000. The write value should be 000000000000000.
Ignore Error Responses
0 (0): A bus error is reported
1 (1): A bus error is not reported.
https://github.com/cmsis-svd/cmsis-svd-data