please help me, i dont know this error

[calivan]

why this error occur?

i dont know how to fix this error

please help me  how to fix

[Kenneth]

Seems similar to your open case:

https://devzone.nordicsemi.com/f/nordic-q-a/61223/ble_advdata-h-no-such-file-or-directory-i-dont-know-hot-to-fix-it