Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Toshiba/M369/EM/DERR#0x0
Err Mask Setting Register
RINT1
RINT2
RINT3
RINT4
RINT5
RINT8
TINT1
TINT2
TINT3
TINT4
https://github.com/cmsis-svd/cmsis-svd-data