Serial bug

[step135]

This is bug on your website:

In file included from /esp32/hardware/esp32/3.0.1/cores/esp32/Arduino.h:200, from /sketch/ghgh.cpp:1: /esp32/hardware/esp32/3.0.1/cores/esp32/HardwareSerial.h:356:16: error: 'Serial0' does not name a type; did you mean 'Serial'? 356 | #define Serial Serial0 | ^~~~~~~ /sketch/ghgh.cpp:2:1: note: in expansion of macro 'Serial' 2 | Serial.println("dddd"); | ^~~~~~