when I uploaded the code (which is an example btw) this error message showed
Arduino: 1.8.10 (Windows 10), Board: "Arduino Yún"
C:\Program Files (x86)\Arduino\libraries\Robot_Control\src\ArduinoRobot.cpp: In constructor 'RobotControl::RobotControl()':
C:\Program Files (x86)\Arduino\libraries\Robot_Control\src\ArduinoRobot.cpp:26:42: error: 'LCD_CS' was not declared in this scope
RobotControl::RobotControl():Arduino_LCD(LCD_CS,DC_LCD,RST_LCD){
^~~~~~
C:\Program Files (x86)\Arduino\libraries\Robot_Control\src\ArduinoRobot.cpp:26:42: note: suggested alternative: 'D_CDCCS'
RobotControl::RobotControl():Arduino_LCD(LCD_CS,DC_LCD,RST_LCD){
^~~~~~
D_CDCCS
C:\Program Files (x86)\Arduino\libraries\Robot_Control\src\ArduinoRobot.cpp:26:49: error: 'DC_LCD' was not declared in this scope
RobotControl::RobotControl():Arduino_LCD(LCD_CS,DC_LCD,RST_LCD){
^~~~~~
C:\Program Files (x86)\Arduino\libraries\Robot_Control\src\ArduinoRobot.cpp:26:49: note: suggested alternative: 'D_IAD'
RobotControl::RobotControl():Arduino_LCD(LCD_CS,DC_LCD,RST_LCD){
^~~~~~
D_IAD
C:\Program Files (x86)\Arduino\libraries\Robot_Control\src\ArduinoRobot.cpp:26:56: error: 'RST_LCD' was not declared in this scope
RobotControl::RobotControl():Arduino_LCD(LCD_CS,DC_LCD,RST_LCD){
^~~~~~~
C:\Program Files (x86)\Arduino\libraries\Robot_Control\src\ArduinoRobot.cpp: In member function 'void RobotControl::begin()':
C:\Program Files (x86)\Arduino\libraries\Robot_Control\src\ArduinoRobot.cpp:36:21: error: 'MUXA' was not declared in this scope
uint8_t MuxPins[]={MUXA,MUXB,MUXC,MUXD};
^~~~
C:\Program Files (x86)\Arduino\libraries\Robot_Control\src\ArduinoRobot.cpp:36:21: note: suggested alternative: 'MUX0'
uint8_t MuxPins[]={MUXA,MUXB,MUXC,MUXD};
^~~~
MUX0
C:\Program Files (x86)\Arduino\libraries\Robot_Control\src\ArduinoRobot.cpp:36:26: error: 'MUXB' was not declared in this scope
uint8_t MuxPins[]={MUXA,MUXB,MUXC,MUXD};
^~~~
C:\Program Files (x86)\Arduino\libraries\Robot_Control\src\ArduinoRobot.cpp:36:26: note: suggested alternative: 'MUX0'
uint8_t MuxPins[]={MUXA,MUXB,MUXC,MUXD};
^~~~
MUX0
C:\Program Files (x86)\Arduino\libraries\Robot_Control\src\ArduinoRobot.cpp:36:31: error: 'MUXC' was not declared in this scope
uint8_t MuxPins[]={MUXA,MUXB,MUXC,MUXD};
^~~~
C:\Program Files (x86)\Arduino\libraries\Robot_Control\src\ArduinoRobot.cpp:36:31: note: suggested alternative: 'MUX0'
uint8_t MuxPins[]={MUXA,MUXB,MUXC,MUXD};
^~~~
MUX0
C:\Program Files (x86)\Arduino\libraries\Robot_Control\src\ArduinoRobot.cpp:36:36: error: 'MUXD' was not declared in this scope
uint8_t MuxPins[]={MUXA,MUXB,MUXC,MUXD};
^~~~
C:\Program Files (x86)\Arduino\libraries\Robot_Control\src\ArduinoRobot.cpp:36:36: note: suggested alternative: 'MUX0'
uint8_t MuxPins[]={MUXA,MUXB,MUXC,MUXD};
^~~~
MUX0
C:\Program Files (x86)\Arduino\libraries\Robot_Control\src\ArduinoRobot.cpp:37:29: error: 'MUX_IN' was not declared in this scope
Multiplexer::begin(MuxPins,MUX_IN,4);
^~~~~~
C:\Program Files (x86)\Arduino\libraries\Robot_Control\src\ArduinoRobot.cpp:37:29: note: suggested alternative: 'MUX0'
Multiplexer::begin(MuxPins,MUX_IN,4);
^~~~~~
MUX0
C:\Program Files (x86)\Arduino\libraries\Robot_Control\src\ArduinoRobot.cpp:40:10: error: 'BUZZ' was not declared in this scope
pinMode(BUZZ,OUTPUT);
^~~~
Multiple libraries were found for "ArduinoRobot.h"
Used: C:\Program
Multiple libraries were found for "Wire.h"
Used: C:\Users\ISINDU
Multiple libraries were found for "SPI.h"
Used: C:\Users\ISINDU
exit status 1
Error compiling for board Arduino Yún.
This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.