Linking ble_app_proximity_pca10040_s132, SDK 12.0.1,Segger Embedded Studio

[Webmobi]

Linking ble_app_proximity_pca10040_s132.elf
    Output/nrf52832_xxaa/Exe/ble_app_proximity_pca10040_s132.elf section `.fs_data' will not fit in region `UNPLACED_SECTIONS'
    region `UNPLACED_SECTIONS' overflowed by 16 bytes
    Output/ble_app_proximity_pca10040_s132 nrf52832_xxaa/Obj/fstorage.o: In function `check_config':
    undefined reference to `__start_fs_data'
    undefined reference to `__stop_fs_data'
    Output/ble_app_proximity_pca10040_s132 nrf52832_xxaa/Obj/fstorage.o: In function `fs_init':
    undefined reference to `__stop_fs_data'
    undefined reference to `__start_fs_data'
Build failed

[Webmobi]

I followed the thread and resolved the problem. But after i dump the code(hex file) into kit its not advertising. what may be the reason?