Firebase Json data : error message

The following are my declaration and libraries:

#include <ESP8266WiFi.h>
#include <FirebaseESP8266.h>
#include <Adafruit_AMG88xx.h>
#define WIFI_SSID "iaspl"
#define WIFI_PASSWORD "password59"

FirebaseData fbdo;
FirebaseJsonArray arr;
void printResult(FirebaseData &data);
unsigned long sendDataPrevMillis = 0;
Adafruit_AMG88xx amg;

Do I need to uninstall the Firebase library?