I had a fairly complicated sketch compiled, uploaded, and running on a Nano.
Today I made some minor changes and the sketch would not compile.
I tried all advice I could find online.
I finally resorted to trying to compile Blink sketch which the IDE will not do.
Here is the error message:
Arduino: 1.8.11 (Mac OS X), Board: "Arduino Nano, ATmega328P"
/private/var/folders/9p/7fq318yx00ndybtjsjnb_t3m0000gn/T/AppTranslocation/19FDBEC3-4D48-4525-9AE4-7F9B54F17353/d/Arduino-2.app/Contents/Java/arduino-builder -dump-prefs -logger=machine -hardware /private/var/folders/9p/7fq318yx00ndybtjsjnb_t3m0000gn/T/AppTranslocation/19FDBEC3-4D48-4525-9AE4-7F9B54F17353/d/Arduino-2.app/Contents/Java/hardware -hardware /Users/user/Library/Arduino15/packages -tools /private/var/folders/9p/7fq318yx00ndybtjsjnb_t3m0000gn/T/AppTranslocation/19FDBEC3-4D48-4525-9AE4-7F9B54F17353/d/Arduino-2.app/Contents/Java/tools-builder -tools /private/var/folders/9p/7fq318yx00ndybtjsjnb_t3m0000gn/T/AppTranslocation/19FDBEC3-4D48-4525-9AE4-7F9B54F17353/d/Arduino-2.app/Contents/Java/hardware/tools/avr -tools /Users/user/Library/Arduino15/packages -built-in-libraries /private/var/folders/9p/7fq318yx00ndybtjsjnb_t3m0000gn/T/AppTranslocation/19FDBEC3-4D48-4525-9AE4-7F9B54F17353/d/Arduino-2.app/Contents/Java/libraries -libraries /Users/user/Documents/Arduino/libraries -fqbn=arduino:avr:nano:cpu=atmega328 -vid-pid=0403_6001 -ide-version=10811 -build-path /var/folders/9p/7fq318yx00ndybtjsjnb_t3m0000gn/T/arduino_build_556516 -warnings=none -build-cache /var/folders/9p/7fq318yx00ndybtjsjnb_t3m0000gn/T/arduino_cache_169442 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.avr-gcc.path=/Users/user/Library/Arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino5 -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino5.path=/Users/user/Library/Arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino5 -prefs=runtime.tools.avrdude.path=/Users/user/Library/Arduino15/packages/arduino/tools/avrdude/6.3.0-arduino17 -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=/Users/user/Library/Arduino15/packages/arduino/tools/avrdude/6.3.0-arduino17 -prefs=runtime.tools.arduinoOTA.path=/Users/user/Library/Arduino15/packages/arduino/tools/arduinoOTA/1.3.0 -prefs=runtime.tools.arduinoOTA-1.3.0.path=/Users/user/Library/Arduino15/packages/arduino/tools/arduinoOTA/1.3.0 -verbose /private/var/folders/9p/7fq318yx00ndybtjsjnb_t3m0000gn/T/AppTranslocation/19FDBEC3-4D48-4525-9AE4-7F9B54F17353/d/Arduino-2.app/Contents/Java/examples/01.Basics/Blink/Blink.ino
/private/var/folders/9p/7fq318yx00ndybtjsjnb_t3m0000gn/T/AppTranslocation/19FDBEC3-4D48-4525-9AE4-7F9B54F17353/d/Arduino-2.app/Contents/Java/arduino-builder -compile -logger=machine -hardware /private/var/folders/9p/7fq318yx00ndybtjsjnb_t3m0000gn/T/AppTranslocation/19FDBEC3-4D48-4525-9AE4-7F9B54F17353/d/Arduino-2.app/Contents/Java/hardware -hardware /Users/user/Library/Arduino15/packages -tools /private/var/folders/9p/7fq318yx00ndybtjsjnb_t3m0000gn/T/AppTranslocation/19FDBEC3-4D48-4525-9AE4-7F9B54F17353/d/Arduino-2.app/Contents/Java/tools-builder -tools /private/var/folders/9p/7fq318yx00ndybtjsjnb_t3m0000gn/T/AppTranslocation/19FDBEC3-4D48-4525-9AE4-7F9B54F17353/d/Arduino-2.app/Contents/Java/hardware/tools/avr -tools /Users/user/Library/Arduino15/packages -built-in-libraries /private/var/folders/9p/7fq318yx00ndybtjsjnb_t3m0000gn/T/AppTranslocation/19FDBEC3-4D48-4525-9AE4-7F9B54F17353/d/Arduino-2.app/Contents/Java/libraries -libraries /Users/user/Documents/Arduino/libraries -fqbn=arduino:avr:nano:cpu=atmega328 -vid-pid=0403_6001 -ide-version=10811 -build-path /var/folders/9p/7fq318yx00ndybtjsjnb_t3m0000gn/T/arduino_build_556516 -warnings=none -build-cache /var/folders/9p/7fq318yx00ndybtjsjnb_t3m0000gn/T/arduino_cache_169442 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.avr-gcc.path=/Users/user/Library/Arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino5 -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino5.path=/Users/user/Library/Arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino5 -prefs=runtime.tools.avrdude.path=/Users/user/Library/Arduino15/packages/arduino/tools/avrdude/6.3.0-arduino17 -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=/Users/user/Library/Arduino15/packages/arduino/tools/avrdude/6.3.0-arduino17 -prefs=runtime.tools.arduinoOTA.path=/Users/user/Library/Arduino15/packages/arduino/tools/arduinoOTA/1.3.0 -prefs=runtime.tools.arduinoOTA-1.3.0.path=/Users/user/Library/Arduino15/packages/arduino/tools/arduinoOTA/1.3.0 -verbose /private/var/folders/9p/7fq318yx00ndybtjsjnb_t3m0000gn/T/AppTranslocation/19FDBEC3-4D48-4525-9AE4-7F9B54F17353/d/Arduino-2.app/Contents/Java/examples/01.Basics/Blink/Blink.ino
Using board 'nano' from platform in folder: /Users/user/Library/Arduino15/packages/arduino/hardware/avr/1.8.2
Using core 'arduino' from platform in folder: /Users/user/Library/Arduino15/packages/arduino/hardware/avr/1.8.2
Detecting libraries used...
/Users/user/Library/Arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino5/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=atmega328p -DF_CPU=16000000L -DARDUINO=10811 -DARDUINO_AVR_NANO -DARDUINO_ARCH_AVR -I/Users/user/Library/Arduino15/packages/arduino/hardware/avr/1.8.2/cores/arduino -I/Users/user/Library/Arduino15/packages/arduino/hardware/avr/1.8.2/variants/eightanaloginputs /var/folders/9p/7fq318yx00ndybtjsjnb_t3m0000gn/T/arduino_build_556516/sketch/Blink.ino.cpp -o /dev/null
fork/exec /Users/user/Library/Arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino5/bin/avr-g++: no such file or directory
Error compiling for board Arduino Nano.
I have looked for and cannot find "Users/user/Library/Arduino15/" or "Arduino15/" anywhere on my Mac.
I tried reinstalling IDE but same error.
Any suggestions on what I may have messed up?