Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Microchip Technology/ATSAML11E14A/NVMCTRL/SECCTRL#0x0
Security Control
Tamper Erase Enable
Silent Access
Data Scramble Enable
Data Flash is eXecute Never
Tamper Rease Row
Write Key
165 (KEY): Write Key
https://github.com/cmsis-svd/cmsis-svd-data