Error messages on arduino

[IliaViazov]

Hi! I'm working with Arduino Uno R4 Minima, and trying to work with your library, but example sketch gives me this error
Could you help me to solve it?

In file included from /private/var/folders/kp/43rw7t9j25lfy8lll8b_02k40000gn/T/.arduinoIDE-unsaved2024710-2693-1w3ngjc.jpgbf/CapacitiveSensorSketch/CapacitiveSensorSketch.ino:1:0:
/Users/ilia_viazov/Documents/Arduino/libraries/CapacitiveSensor/CapacitiveSensor.h:428:2: error: 'IO_REG_TYPE' does not name a type
IO_REG_TYPE sBit; // send pin's ports and bitmask
^~~~~~~~~~~
/Users/ilia_viazov/Documents/Arduino/libraries/CapacitiveSensor/CapacitiveSensor.h:429:11: error: 'IO_REG_TYPE' does not name a type
volatile IO_REG_TYPE *sReg;
^~~~~~~~~~~
/Users/ilia_viazov/Documents/Arduino/libraries/CapacitiveSensor/CapacitiveSensor.h:430:2: error: 'IO_REG_TYPE' does not name a type
IO_REG_TYPE rBit; // receive pin's ports and bitmask
^~~~~~~~~~~
/Users/ilia_viazov/Documents/Arduino/libraries/CapacitiveSensor/CapacitiveSensor.h:431:11: error: 'IO_REG_TYPE' does not name a type
volatile IO_REG_TYPE *rReg;
^~~~~~~~~~~

exit status 1

Compilation error: exit status 1