Firebase connectivity issue to nodemcuesp8266

[Hajizz521]

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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