Error message from Arduino compile for SeeedStudio package

error.txt

this is an error message from using 
any sugestion on how to resolve?



Arduino: 1.8.7 (Mac OS X), Board: "Seeeduino Stalker V3"

/Applications/Arduino.app/Contents/Java/arduino-builder -dump-prefs -logger=machine -hardware /Applications/Arduino.app/Contents/Java/hardware -hardware /Users/vincentyoumans/Library/Arduino15/packages -tools /Applications/Arduino.app/Contents/Java/tools-builder -tools /Applications/Arduino.app/Contents/Java/hardware/tools/avr -tools /Users/vincentyoumans/Library/Arduino15/packages -built-in-libraries /Applications/Arduino.app/Contents/Java/libraries -libraries /Users/vincentyoumans/Documents/Arduino/libraries -fqbn=Seeeduino:Seeeduino_Stalker:stalker -ide-version=10807 -build-path /var/folders/z2/4tjgj0hx69n2wvxs_43cc0km0000gn/T/arduino_build_636544 -warnings=all -build-cache /var/folders/z2/4tjgj0hx69n2wvxs_43cc0km0000gn/T/arduino_cache_414025 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.avrdude.path=/Users/vincentyoumans/Library/Arduino15/packages/Seeeduino/tools/avrdude/6.0.1-arduino5 -prefs=runtime.tools.avrdude-6.0.1-arduino5.path=/Users/vincentyoumans/Library/Arduino15/packages/Seeeduino/tools/avrdude/6.0.1-arduino5 -prefs=runtime.tools.avr-gcc.path=/Users/vincentyoumans/Library/Arduino15/packages/Seeeduino/tools/avr-gcc/4.8.1-arduino5 -prefs=runtime.tools.avr-gcc-4.8.1-arduino5.path=/Users/vincentyoumans/Library/Arduino15/packages/Seeeduino/tools/avr-gcc/4.8.1-arduino5 -verbose /Applications/Arduino.app/Contents/Java/examples/01.Basics/Blink/Blink.ino
/Applications/Arduino.app/Contents/Java/arduino-builder -compile -logger=machine -hardware /Applications/Arduino.app/Contents/Java/hardware -hardware /Users/vincentyoumans/Library/Arduino15/packages -tools /Applications/Arduino.app/Contents/Java/tools-builder -tools /Applications/Arduino.app/Contents/Java/hardware/tools/avr -tools /Users/vincentyoumans/Library/Arduino15/packages -built-in-libraries /Applications/Arduino.app/Contents/Java/libraries -libraries /Users/vincentyoumans/Documents/Arduino/libraries -fqbn=Seeeduino:Seeeduino_Stalker:stalker -ide-version=10807 -build-path /var/folders/z2/4tjgj0hx69n2wvxs_43cc0km0000gn/T/arduino_build_636544 -warnings=all -build-cache /var/folders/z2/4tjgj0hx69n2wvxs_43cc0km0000gn/T/arduino_cache_414025 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.avrdude.path=/Users/vincentyoumans/Library/Arduino15/packages/Seeeduino/tools/avrdude/6.0.1-arduino5 -prefs=runtime.tools.avrdude-6.0.1-arduino5.path=/Users/vincentyoumans/Library/Arduino15/packages/Seeeduino/tools/avrdude/6.0.1-arduino5 -prefs=runtime.tools.avr-gcc.path=/Users/vincentyoumans/Library/Arduino15/packages/Seeeduino/tools/avr-gcc/4.8.1-arduino5 -prefs=runtime.tools.avr-gcc-4.8.1-arduino5.path=/Users/vincentyoumans/Library/Arduino15/packages/Seeeduino/tools/avr-gcc/4.8.1-arduino5 -verbose /Applications/Arduino.app/Contents/Java/examples/01.Basics/Blink/Blink.ino
Using board 'stalker' from platform in folder: /Users/vincentyoumans/Library/Arduino15/packages/Seeeduino/hardware/Seeeduino_Stalker/1.0.2
Using core 'arduino' from platform in folder: /Users/vincentyoumans/Library/Arduino15/packages/Seeeduino/hardware/Seeeduino_Stalker/1.0.2
Build options changed, rebuilding all
Detecting libraries used...
/Users/vincentyoumans/Library/Arduino15/packages/Seeeduino/tools/avr-gcc/4.8.1-arduino5/bin/avr-g++ -c -g -Os -w -std=gnu++11 -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=8000000L -DARDUINO=10807 -DARDUINO_AVR_stalker -DARDUINO_ARCH_SEEEDUINO_STALKER -I/Users/vincentyoumans/Library/Arduino15/packages/Seeeduino/hardware/Seeeduino_Stalker/1.0.2/cores/arduino -I/Users/vincentyoumans/Library/Arduino15/packages/Seeeduino/hardware/Seeeduino_Stalker/1.0.2/variants/eightanaloginputs /var/folders/z2/4tjgj0hx69n2wvxs_43cc0km0000gn/T/arduino_build_636544/sketch/Blink.ino.cpp -o /dev/null
fork/exec /Users/vincentyoumans/Library/Arduino15/packages/Seeeduino/tools/avr-gcc/4.8.1-arduino5/bin/avr-g++: bad CPU type in executable
Error compiling for board Seeeduino Stalker V3.