title: Build problems in Keil uVision v.5.12.0.0
body: <p>I'm trying to compile this project 
  <a href="https://github.com/NordicSemiconductor/nrf51-ble-app-lbs/tree/require-encryption-5.1.0" rel="nofollow">https://github.com/NordicSemiconductor/nrf51-ble-app-lbs/tree/require-encryption-5.1.0</a>
  in uVision v.5.12.0.0 but building the project I got this errors:</p>
  
  <pre><code>.\_build\ble_app_template.axf: Error: L6218E: Undefined symbol ble_bondmngr_bonded_centrals_store (referred from main.o).   
  .\_build\ble_app_template.axf: Error: L6218E: Undefined symbol ble_bondmngr_init (referred from main.o).
  .\_build\ble_app_template.axf: Error: L6218E: Undefined symbol ble_bondmngr_on_ble_evt (referred from main.o).
  </code></pre>