Rebuild target 'nrf51822_xxaa_s110 (256K)'
assembling arm_startup_nrf51.s...
compiling system_nrf51.c...
compiling main.c...
compiling ble_srv_common.c...
compiling ble_error_log.c...
compiling pstorage.c...
compiling crc16.c...
compiling ble_advdata.c...
compiling app_scheduler.c...
compiling app_timer.c...
compiling ble_conn_params.c...
compiling softdevice_handler.c...
compiling app_button.c...
compiling app_gpiote.c...
compiling ble_debug_assert_handler.c...
linking...
.\_build\ble_app_template.axf: Error: L6218E: Undefined symbol nrf_esb_disabled (referred from nrf_esb.o).
.\_build\ble_app_template.axf: Error: L6218E: Undefined symbol nrf_esb_rx_data_ready (referred from nrf_esb.o).
.\_build\ble_app_template.axf: Error: L6218E: Undefined symbol nrf_esb_tx_failed (referred from nrf_esb.o).
.\_build\ble_app_template.axf: Error: L6218E: Undefined symbol nrf_esb_tx_success (referred from nrf_esb.o).
Not enough information to list image symbols.
Finished: 1 information, 0 warning and 4 error messages.
".\_build\ble_app_template.axf" - 4 Error(s), 0 Warning(s).
Target not created