use the project for roland em 20

[gandrim]

hello .. i have a broken roland keyboard and i changed it to a midi controller .. i have found the input and output matrix from the keyboard then i programmed it but then i found the error
" In file included from C:\Users\Ahmad Dimyati\Documents\ Arduino\keyboardscanner2\keyboardscanner2.ino:21:0:
C:\Users\Ahmad Dimyati\Documents\Arduino\libraries\DIO2-master\src/arduino2.h:42:10: fatal error: pins2_arduino.h: No such file or directory
#include "pins2_arduino.h"
^~~~~~~~~~~~~~~~~~~
compilation terminated.
exit status 1
Error compiling for Arduino Mega or Mega 2560 board. " then I tried to use another library I was looking for in the library manager but it still doesn't work.. is there any other solution for that problem