Bluetooth board BLEPeripheral Not Compiling

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For some reason it won’t let me compile the example sketch for the Adafruit Bluefruit BLE. Any idea how to fix it?

Not sure if it helps, but this guy didnt say his code wouldnt comple for the ble.

#include <BlynkSimpleSerialBLE.h>
#include <Adafruit_BLE.h>