Firebase connectivity issue to nodemcuesp8266

[Hajizz521]

In file included from C:\Users\Bilal Computers\Documents\Arduino\libraries\Firebase_Arduino_Client_Library_for_ESP8266_and_ESP32\src/Firebase.h:36,
from C:\Users\Bilal Computers\Documents\Arduino\libraries\Firebase_Arduino_Client_Library_for_ESP8266_and_ESP32\src/Firebase_ESP_Client.h:34,
from C:\Users\Bilal Computers\Documents\Arduino\sketch_apr30d\sketch_apr30d.ino:18:
c:\users\bilal computers\documents\arduino\libraries\firebase_arduino_client_library_for_esp8266_and_esp32\src\firebasefs.h:162:10: fatal error: SD.h: No such file or directory
162 | #include <SD.h>
| ^~~~~~
compilation terminated.
exit status 1

Compilation error: exit status 1