An error has been sent on the ANCS Control Point from the iOS Notification Provider

[Alan]

hello, I use my own code to test IOS message notifications , call nrf_ble_ancs_c_request_attrs function， then did not receive the data source, Triggered the BLE_ANCS_C_EVT_NP_ERROR event。

ask:1.What is the reason triggered the incident 2. How should I solve it?

thank!

[run_ar]

If I'm not mistaken, you should get an additional error code. Please see the ANCS spec here. What is the printed error code?

[run_ar]

What do you mean? Can you please elaborate?