Error on Verifying Firebase ESP Client

[iChain25]

Hello , im currently facing this problem and i need your help , thanks in advance!

i've been using the code " https://github.com/mobizt/Firebase-ESP-Client/blob/main/examples/RTDB/Basic/Basic.ino " that is pasted here and im getting this error :

---

In file included from C:\Users\PC\AppData\Local\Arduino15\libraries\SD\src/utility/Sd2Card.h:26:0,
from C:\Users\PC\AppData\Local\Arduino15\libraries\SD\src/utility/SdFat.h:29,
from C:\Users\PC\AppData\Local\Arduino15\libraries\SD\src/SD.h:20,
from c:\Users\PC\Documents\Arduino\libraries\Firebase_Arduino_Client_Library_for_ESP8266_and_ESP32\src/FirebaseFS.h:70,
from c:\Users\PC\Documents\Arduino\libraries\Firebase_Arduino_Client_Library_for_ESP8266_and_ESP32\src/Firebase.h:39,
from c:\Users\PC\Documents\Arduino\libraries\Firebase_Arduino_Client_Library_for_ESP8266_and_ESP32\src/Firebase_ESP_Client.h:34,
from C:\Users\PC\Documents\Arduino\sketch_apr7a\sketch_apr7a.ino:20:
C:\Users\PC\AppData\Local\Arduino15\libraries\SD\src/utility/Sd2PinMap.h:524:2: error: #error Architecture or board not supported.
#error Architecture or board not supported.
^
Multiple libraries were found for "SD.h"
Used: C:\Users\PC\AppData\Local\Arduino15\libraries\SD
Not used: C:\Users\PC\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.6.3\libraries\SD
exit status 1

Compilation error: exit status 1

My only installed library is " Firebase_Arduino_Client_Library_for_ESP8266_and_ESP32 "
and my installed board manager is " esp8266 by ESP8266 Community " ,
i tried to compile it using Generic 8266 Module and NodeMCU 0.9 (ESP-12 Module ) .

[mobizt]

It is because ESP8266 Core SDK installation problem.

You should uninstall Arduino IDE and install the latest version.
Install the ESP8266 SDK via Boards Manager by following this guide,