Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/EFR32MG24A010F1536GM40/SYSRTC0_NS/STATUS#0x0
LOCKSTATUS=UNLOCKED
No Description
SYSRTC running status
Lock Status
0 (UNLOCKED): SYSRTC registers are unlocked
1 (LOCKED): SYSRTC registers are locked
https://github.com/cmsis-svd/cmsis-svd-data