getting 0x3003 error BLE_ERROR_INVALID_ATTR_HANDLE while creating custom services in nrf52

[NIDHIN K]

I was using nrf51822 ,S110 and SDKV10 i had created custom services and its working fine, But when moved to nrf52 DK and S132v5 SoftDevices and SDK version 14.2.0 . same services i ported there and showing all services and char. in nrf connect App. i can able to  send data  to dk from nrf connect . But cant ale to send data from nrf52dk to phone. i getting error 0x3003. i had changed the function ble_evt_dispatch to NRF_SDH_BLE_OBSERVER. but im not sure that correct or not.

So anybody pls help me to solve this issue??

Anyway i can able to sent data from nrfDK to phone is possible..

[bjorn-spockeli]

I recommend that you take a look at the tutorial linked to below. It explains how to create a custom service with SDK v14.2.0.

https://github.com/bjornspockeli/custom_ble_service_example/tree/SDK_v14.2.0

Best regards

Bjørn 

[NIDHIN K]

i followed this tutorial. but when i changed  memory settings as per the tutorial getting error

<warning> nrf_sdh_ble: RAM starts at 0x200020f0, can be adjusted to 0x20002760.
<warning> nrf_sdh_ble: RAM size can be adjusted to 0xD8A0.
<error> nrf_sdh_ble: sd_ble_enable() returned NRF_ERROR_NO_MEM.
<error> app: ERROR 4 [NRF_ERROR_NO_MEM] at /home/kc/Desktop/mesh_app_uart/nRF5_SDK_14.2.0_17b948a/examples/ble_peripheral/ble_app_uart_mesh/main.c:897

[bjorn-spockeli]

Ok, could you set the RAM start and size to the values stated in the log output?