The error that I get is:
FQBN: arduino:avr:circuitplay32u4cat
Using board 'circuitplay32u4cat' from platform in folder: /Users/polonsky/Library/Arduino15/packages/arduino/hardware/avr/1.8.6
Using core 'arduino' from platform in folder: /Users/polonsky/Library/Arduino15/packages/arduino/hardware/avr/1.8.6
Detecting libraries used...
/Users/polonsky/Library/Arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino7/bin/avr-g++ -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega32u4 -DF_CPU=8000000L -DARDUINO=10607 -DARDUINO_AVR_CIRCUITPLAY -DARDUINO_ARCH_AVR -DUSB_VID=0x239A -DUSB_PID=0x8011 -DUSB_MANUFACTURER="Adafruit" -DUSB_PRODUCT="Circuit Playground" -I/Users/polonsky/Library/Arduino15/packages/arduino/hardware/avr/1.8.6/cores/arduino -I/Users/polonsky/Library/Arduino15/packages/arduino/hardware/avr/1.8.6/variants/circuitplay32u4 /private/var/folders/jh/_4nqz_zn5hb1h3vy2rf802q00000gp/T/arduino/sketches/8850DE967F66268DCD3FA587FB0C272A/sketch/Keyboard.ino.cpp -o /dev/null
Alternatives for DigiKeyboard.h: [DigiKeyboard]
ResolveLibrary(DigiKeyboard.h)
-> candidates: [DigiKeyboard]
/Users/polonsky/Library/Arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino7/bin/avr-g++ -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega32u4 -DF_CPU=8000000L -DARDUINO=10607 -DARDUINO_AVR_CIRCUITPLAY -DARDUINO_ARCH_AVR -DUSB_VID=0x239A -DUSB_PID=0x8011 -DUSB_MANUFACTURER="Adafruit" -DUSB_PRODUCT="Circuit Playground" -I/Users/polonsky/Library/Arduino15/packages/arduino/hardware/avr/1.8.6/cores/arduino -I/Users/polonsky/Library/Arduino15/packages/arduino/hardware/avr/1.8.6/variants/circuitplay32u4 -I/Users/polonsky/Documents/Arduino/libraries/DigiKeyboard/src /private/var/folders/jh/_4nqz_zn5hb1h3vy2rf802q00000gp/T/arduino/sketches/8850DE967F66268DCD3FA587FB0C272A/sketch/Keyboard.ino.cpp -o /dev/null
/Users/polonsky/Library/Arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino7/bin/avr-g++ -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega32u4 -DF_CPU=8000000L -DARDUINO=10607 -DARDUINO_AVR_CIRCUITPLAY -DARDUINO_ARCH_AVR -DUSB_VID=0x239A -DUSB_PID=0x8011 -DUSB_MANUFACTURER="Adafruit" -DUSB_PRODUCT="Circuit Playground" -I/Users/polonsky/Library/Arduino15/packages/arduino/hardware/avr/1.8.6/cores/arduino -I/Users/polonsky/Library/Arduino15/packages/arduino/hardware/avr/1.8.6/variants/circuitplay32u4 -I/Users/polonsky/Documents/Arduino/libraries/DigiKeyboard/src /Users/polonsky/Documents/Arduino/libraries/DigiKeyboard/src/oddebug.c -o /dev/null
/Users/polonsky/Library/Arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino7/bin/avr-g++ -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega32u4 -DF_CPU=8000000L -DARDUINO=10607 -DARDUINO_AVR_CIRCUITPLAY -DARDUINO_ARCH_AVR -DUSB_VID=0x239A -DUSB_PID=0x8011 -DUSB_MANUFACTURER="Adafruit" -DUSB_PRODUCT="Circuit Playground" -I/Users/polonsky/Library/Arduino15/packages/arduino/hardware/avr/1.8.6/cores/arduino -I/Users/polonsky/Library/Arduino15/packages/arduino/hardware/avr/1.8.6/variants/circuitplay32u4 -I/Users/polonsky/Documents/Arduino/libraries/DigiKeyboard/src /Users/polonsky/Documents/Arduino/libraries/DigiKeyboard/src/osccal.c -o /dev/null
/Users/polonsky/Library/Arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino7/bin/avr-g++ -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega32u4 -DF_CPU=8000000L -DARDUINO=10607 -DARDUINO_AVR_CIRCUITPLAY -DARDUINO_ARCH_AVR -DUSB_VID=0x239A -DUSB_PID=0x8011 -DUSB_MANUFACTURER="Adafruit" -DUSB_PRODUCT="Circuit Playground" -I/Users/polonsky/Library/Arduino15/packages/arduino/hardware/avr/1.8.6/cores/arduino -I/Users/polonsky/Library/Arduino15/packages/arduino/hardware/avr/1.8.6/variants/circuitplay32u4 -I/Users/polonsky/Documents/Arduino/libraries/DigiKeyboard/src /Users/polonsky/Documents/Arduino/libraries/DigiKeyboard/src/usbdrv.c -o /dev/null
/Users/polonsky/Library/Arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino7/bin/avr-g++ -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega32u4 -DF_CPU=8000000L -DARDUINO=10607 -DARDUINO_AVR_CIRCUITPLAY -DARDUINO_ARCH_AVR -DUSB_VID=0x239A -DUSB_PID=0x8011 -DUSB_MANUFACTURER="Adafruit" -DUSB_PRODUCT="Circuit Playground" -I/Users/polonsky/Library/Arduino15/packages/arduino/hardware/avr/1.8.6/cores/arduino -I/Users/polonsky/Library/Arduino15/packages/arduino/hardware/avr/1.8.6/variants/circuitplay32u4 -I/Users/polonsky/Documents/Arduino/libraries/DigiKeyboard/src /Users/polonsky/Documents/Arduino/libraries/DigiKeyboard/src/usbdrvasm.S -o /dev/null
Error while detecting libraries included by /Users/polonsky/Documents/Arduino/libraries/DigiKeyboard/src/usbdrvasm.S
Generating function prototypes...
/Users/polonsky/Library/Arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino7/bin/avr-g++ -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega32u4 -DF_CPU=8000000L -DARDUINO=10607 -DARDUINO_AVR_CIRCUITPLAY -DARDUINO_ARCH_AVR -DUSB_VID=0x239A -DUSB_PID=0x8011 -DUSB_MANUFACTURER="Adafruit" -DUSB_PRODUCT="Circuit Playground" -I/Users/polonsky/Library/Arduino15/packages/arduino/hardware/avr/1.8.6/cores/arduino -I/Users/polonsky/Library/Arduino15/packages/arduino/hardware/avr/1.8.6/variants/circuitplay32u4 -I/Users/polonsky/Documents/Arduino/libraries/DigiKeyboard/src /private/var/folders/jh/_4nqz_zn5hb1h3vy2rf802q00000gp/T/arduino/sketches/8850DE967F66268DCD3FA587FB0C272A/sketch/Keyboard.ino.cpp -o /private/var/folders/jh/_4nqz_zn5hb1h3vy2rf802q00000gp/T/2267858855/sketch_merged.cpp
/Users/polonsky/Library/Arduino15/packages/builtin/tools/ctags/5.8-arduino11/ctags -u --language-force=c++ -f - --c++-kinds=svpf --fields=KSTtzns --line-directives /private/var/folders/jh/_4nqz_zn5hb1h3vy2rf802q00000gp/T/2267858855/sketch_merged.cpp
Compiling sketch...
/Users/polonsky/Library/Arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino7/bin/avr-g++ -c -g -Os -Wall -Wextra -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -MMD -flto -mmcu=atmega32u4 -DF_CPU=8000000L -DARDUINO=10607 -DARDUINO_AVR_CIRCUITPLAY -DARDUINO_ARCH_AVR -DUSB_VID=0x239A -DUSB_PID=0x8011 "-DUSB_MANUFACTURER="Adafruit"" "-DUSB_PRODUCT="Circuit Playground"" -I/Users/polonsky/Library/Arduino15/packages/arduino/hardware/avr/1.8.6/cores/arduino -I/Users/polonsky/Library/Arduino15/packages/arduino/hardware/avr/1.8.6/variants/circuitplay32u4 -I/Users/polonsky/Documents/Arduino/libraries/DigiKeyboard/src /private/var/folders/jh/_4nqz_zn5hb1h3vy2rf802q00000gp/T/arduino/sketches/8850DE967F66268DCD3FA587FB0C272A/sketch/Keyboard.ino.cpp -o /private/var/folders/jh/_4nqz_zn5hb1h3vy2rf802q00000gp/T/arduino/sketches/8850DE967F66268DCD3FA587FB0C272A/sketch/Keyboard.ino.cpp.o
In file included from /Users/polonsky/Documents/Arduino/libraries/DigiKeyboard/src/DigiKeyboard.h:13:0,
from /Users/polonsky/Documents/Arduino/Keyboard/Keyboard.ino:24:
/Users/polonsky/Library/Arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino7/avr/include/avr/delay.h:36:2: warning: #warning "This file has been moved to <util/delay.h>." [-Wcpp]
#warning "This file has been moved to <util/delay.h>."
^~~~~~~
In file included from /Users/polonsky/Documents/Arduino/Keyboard/Keyboard.ino:24:0:
/Users/polonsky/Documents/Arduino/libraries/DigiKeyboard/src/DigiKeyboard.h:59:1: warning: narrowing conversion of '161' from 'int' to 'char' inside { } [-Wnarrowing]
};
^
/Users/polonsky/Documents/Arduino/libraries/DigiKeyboard/src/DigiKeyboard.h:59:1: warning: narrowing conversion of '224' from 'int' to 'char' inside { } [-Wnarrowing]
/Users/polonsky/Documents/Arduino/libraries/DigiKeyboard/src/DigiKeyboard.h:59:1: warning: narrowing conversion of '231' from 'int' to 'char' inside { } [-Wnarrowing]
/Users/polonsky/Documents/Arduino/libraries/DigiKeyboard/src/DigiKeyboard.h:59:1: warning: narrowing conversion of '149' from 'int' to 'char' inside { } [-Wnarrowing]
/Users/polonsky/Documents/Arduino/libraries/DigiKeyboard/src/DigiKeyboard.h:59:1: warning: narrowing conversion of '129' from 'int' to 'char' inside { } [-Wnarrowing]
/Users/polonsky/Documents/Arduino/libraries/DigiKeyboard/src/DigiKeyboard.h:59:1: warning: narrowing conversion of '149' from 'int' to 'char' inside { } [-Wnarrowing]
/Users/polonsky/Documents/Arduino/libraries/DigiKeyboard/src/DigiKeyboard.h:59:1: warning: narrowing conversion of '129' from 'int' to 'char' inside { } [-Wnarrowing]
/Users/polonsky/Documents/Arduino/libraries/DigiKeyboard/src/DigiKeyboard.h:59:1: warning: narrowing conversion of '192' from 'int' to 'char' inside { } [-Wnarrowing]
/Users/polonsky/Documents/Arduino/Keyboard/Keyboard.ino: In function 'void bypass_UAC()':
/Users/polonsky/Documents/Arduino/Keyboard/Keyboard.ino:104:4: error: 'Use' was not declared in this scope
Use the left arrow
^~~
/Users/polonsky/Documents/Arduino/Keyboard/Keyboard.ino:105:19: error: 'i' was not declared in this scope
for (int i = 0; i <= 29; i++) {
^
/Users/polonsky/Documents/Arduino/Keyboard/Keyboard.ino: In function 'void commands()':
/Users/polonsky/Documents/Arduino/Keyboard/Keyboard.ino:182:31: error: expected ')' before ';' token
DigiKeyboard.print(F("exit");
^
Using library DigiKeyboard in folder: /Users/polonsky/Documents/Arduino/libraries/DigiKeyboard
exit status 1
Compilation error: 'Use' was not declared in this scope