Exception (9) in the Arduino IDE with ESP8266

Beacon Code:

void beaconLoop() {
  DEBUG_SERIAL {
    Serial.print(F("[beaconLoop] Sending beacon on channel "));
    Serial.print(wifi_get_channel());
    Serial.print(" ...\n");
  }
  DEBUG_LED blink(1, 50);

   hdrEspLocRequest_t hdrEspLoc;
  hdrEspLoc.type = PKT_TYPE_REQUEST;
  hdrEspLoc.nodeId = config.nodeId;
  hdrEspLoc.packetId  = ++config.lastPacketId;

  packet[PKT_LEN-1] = sizeof(hdrEspLoc);
  memcpy(packet+PKT_LEN, &hdrEspLoc, sizeof(hdrEspLoc));
  wifi_send_pkt_freedom(packet, PKT_LEN+sizeof(hdrEspLoc), 0);

  delay(450);
}

void beaconRecv(uint8_t *buf) {
  hdrPacketReply_t *packet = (hdrPacketReply_t *) buf;
  if (packet->hdrEspLoc.type == PKT_TYPE_REPLY) {
    DEBUG_SERIAL Serial.printf("- Recebido pacote de Reply [nodeId: %d, packetId: %d, RSSISend: %d, RSSIRecv: %d]\n", packet->hdrEspLoc.nodeId, packet->hdrEspLoc.packetId, packet->hdrEspLoc.senderRssi, packet->hdrControl.rssi);
    delay(50);
  }  
}

Node code:

void nodeLoop() {
  DEBUG_SERIAL Serial.printf("- Loop ...\n");
  delay(500);
}

void nodeRecv(uint8_t *buf) {
  hdrPacketRequest_t *packet = (hdrPacketRequest_t *) buf;
  if (packet->hdrEspLoc.type == PKT_TYPE_REQUEST) {
    DEBUG_SERIAL Serial.printf("- Recebido pacote de Request [nodeId: %d, packetId: %d, RSSI: %d]\n", packet->hdrEspLoc.nodeId, packet->hdrEspLoc.packetId, packet->hdrControl.rssi);
      nodeSendReply(packet);
  delay(50); 


  }   


}

void nodeSendReply(hdrPacketRequest_t *packetRequest) {
  DEBUG_SERIAL Serial.print(F("[nodeSendReply] Enviando pacote de Reply ...\n"));

 hdrEspLocReply_t hdrEspLoc;  
 hdrEspLoc.type = PKT_TYPE_REPLY;
  hdrEspLoc.nodeId = config.nodeId;

  hdrEspLoc.packetId = packetRequest->hdrEspLoc.packetId;
  hdrEspLoc.senderId = packetRequest->hdrEspLoc.nodeId;
  hdrEspLoc.senderRssi = packetRequest->hdrControl.rssi;

  packet[PKT_LEN-1] = sizeof(hdrEspLoc);
  memcpy(packet+PKT_LEN, &hdrEspLoc, sizeof(hdrEspLoc));
  wifi_send_pkt_freedom(packet, PKT_LEN+sizeof(hdrEspLoc), 0);
}

Error: