i have problem

[fadi0albaghdadi]

i acnnot run it on atmega128 please help us C:\Users\FADI\Documents\Arduino\libraries\RCSwitch\RCSwitch.cpp: In member function 'char* RCSwitch::getCodeWordB(int, int, boolean)':

C:\Users\FADI\Documents\Arduino\libraries\RCSwitch\RCSwitch.cpp:196:12: error: invalid conversion from 'char' to 'char*' [-fpermissive]

 return '\0';

        ^~~~

C:\Users\FADI\Documents\Arduino\libraries\RCSwitch\RCSwitch.cpp: In member function 'char RCSwitch::getCodeWordA(char, int, boolean)':

C:\Users\FADI\Documents\Arduino\libraries\RCSwitch\RCSwitch.cpp:232:14: error: invalid conversion from 'char' to 'char*' [-fpermissive]

   return '\0';

          ^~~~

C:\Users\FADI\Documents\Arduino\libraries\RCSwitch\RCSwitch.cpp:241:14: error: invalid conversion from 'char' to 'char*' [-fpermissive]

   return '\0';

          ^~~~

C:\Users\FADI\Documents\Arduino\libraries\RCSwitch\RCSwitch.cpp: In member function 'char* RCSwitch::getCodeWordC(char, int, int, boolean)':

C:\Users\FADI\Documents\Arduino\libraries\RCSwitch\RCSwitch.cpp:269:12: error: invalid conversion from 'char' to 'char*' [-fpermissive]

 return '\0';

        ^~~~

Multiple libraries were found for "RCSwitch.h" Used: C:\Users\FADI\Documents\Arduino\libraries\RCSwitch Using library RCSwitch in folder: C:\Users\FADI\Documents\Arduino\libraries\RCSwitch (legacy) exit status 1 Error compiling for board ATmega128.