Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Renesas Electronics/R7FA4M1AB/SRAM/ECCOAD#0x0
OAD=0
SRAM ECC Error Operation After Detection Register
Operation after Detection
0 (0): Non-maskable interrupt
1 (1): Reset
These bits are read as 0000000. The write value should be 0000000.
https://github.com/cmsis-svd/cmsis-svd-data