Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Renesas Electronics/R7FA4M1AB/SYSTEM/LOCOCR#0x0
LCSTP=0
Low-Speed On-Chip Oscillator Control Register
LOCO Stop
0 (0): LOCO is operating.
1 (1): LOCO is stopped.
These bits are read as 0000000. The write value should be 0000000.
https://github.com/cmsis-svd/cmsis-svd-data