due will not load Program - web editor - bossac: extra arguments found

I have searched for solution ... cannot find .. looks like web editor issue. I was able to upload programs in Jan 2019 but now get error .. bossac: extra arguments found .. Verbose output below. Saw similar issues in history a couple years back.

Please advise. Thanks

/home/builder/opt/arduino-builder/arduino-builder -compile -core-api-version 10611 -hardware /home/builder/opt/arduino-builder/hardware -hardware /home/builder/.arduino15/packages -tools /home/builder/opt/arduino-builder/tools -tools /home/builder/.arduino15/packages -built-in-libraries /home/builder/opt/libraries/latest -logger humantags -fqbn arduino:sam:arduino_due_x_dbg -build-cache /tmp -build-path /tmp/457826097/build -verbose -prefs runtime.tools.arduino101load.path=/home/builder/.arduino15/packages/Intel/tools/arduino101load/2.0.1 -prefs runtime.tools.i586-poky-linux-uclibc.path=/home/builder/.arduino15/packages/Intel/tools/i586-poky-linux-uclibc/1.6.2+1.0 -prefs runtime.tools.arm-none-eabi-gcc.path=/home/builder/.arduino15/packages/arduino/tools/arm-none-eabi-gcc/4.8.3-2014q1 -prefs runtime.tools.avr-gcc.path=/home/builder/.arduino15/packages/arduino/tools/avr-gcc/5.4.0-atmel3.6.1-arduino2 -prefs runtime.tools.linuxuploader.path=/home/builder/.arduino15/packages/arduino/tools/linuxuploader/1.5.1 -prefs runtime.tools.bossac.path=/home/builder/.arduino15/packages/arduino/tools/bossac/1.6.1-arduino -prefs runtime.tools.arc-elf32.path=/home/builder/.arduino15/packages/Intel/tools/arc-elf32/1.6.9+1.0.1 -prefs runtime.tools.dfu-util.path=/home/builder/.arduino15/packages/arduino/tools/dfu-util/0.9.0-arduino1 -prefs runtime.tools.arm-linux-gcc.path=/home/builder/.arduino15/packages/arduino/tools/arm-linux-gcc/4.9.3 -prefs runtime.tools.x86-linux-gcc.path=/home/builder/.arduino15/packages/arduino/tools/x86-linux-gcc/7.2.0 -prefs runtime.tools.CMSIS.path=/home/builder/.arduino15/packages/arduino/tools/CMSIS/4.5.0 -prefs runtime.tools.arduinoOTA.path=/home/builder/.arduino15/packages/arduino/tools/arduinoOTA/1.2.1 -prefs runtime.tools.CMSIS-Atmel.path=/home/builder/.arduino15/packages/arduino/tools/CMSIS-Atmel/1.2.0 -prefs runtime.tools.nrf5x-cl-tools.path=/home/builder/.arduino15/packages/arduino/tools/nrf5x-cl-tools/9.3.1 -prefs runtime.tools.sketchUploader.path=/home/builder/.arduino15/packages/Intel/tools/sketchUploader/1.6.2+1.0 -prefs runtime.tools.core2-32-poky-linux.path=/home/builder/.arduino15/packages/Intel/tools/core2-32-poky-linux/1.6.2+1.0 -prefs runtime.tools.flashpack.path=/home/builder/.arduino15/packages/Intel/tools/flashpack/2.0.0 -prefs runtime.tools.openocd.path=/home/builder/.arduino15/packages/arduino/tools/openocd/0.10.0-arduino7 -prefs runtime.tools.avrdude.path=/home/builder/.arduino15/packages/arduino/tools/avrdude/6.3.0-arduino8 -libraries /tmp/457826097/custom -libraries /tmp/457826097/pinned /tmp/457826097/sketch_may23a

Sketch uses 10652 bytes (2%) of program storage space. Maximum is 524288 bytes.

Programming with: Serial

Restarting in bootloader mode

Get port list before reset

[COM7 COM7 COM7 COM7]

Touching port COM7 at 1200bps

Set DTR off

Flashing with command:C:/Users/Clark/.arduino-create/arduino/bossac/1.8.0-48-gb176eee/bossac.exe -i -d --port=COM7 -U false -e -w -b C:/Users/Clark/AppData/Local/Temp/arduino-create-agent614634354/sketch_may23a.bin -R

bossac: extra arguments found

Try 'bossac -h' or 'bossac --help' for more information

This is a known issue with the Arduino Web Editor:

I recommend you visit the link above and click the "Receive Emails" button so you'll be sure to get a notification when there is some progress on fixing this issue.

Until then, please use the standard Arduino IDE with your Due. You can download it for free here: