Cant upload Project

Im a noob and im getting this problem

arduino-builder/arduino-builder -compile -core-api-version 10611 -build-path /tmp/860782448 -hardware arduino-builder/hardware -hardware arduino-builder/packages/cores -tools arduino-builder/tools -tools arduino-builder/packages/tools -built-in-libraries arduino-builder/latest -libraries /tmp/312087317/pinned -libraries /tmp/312087317/custom -fqbn arduino:avr:uno -build-cache /tmp -verbose=false /tmp/312087317/Blink

Sketch uses 928 bytes (2%) of program storage space. Maximum is 32256 bytes.

Global variables use 9 bytes (0%) of dynamic memory, leaving 2039 bytes for local variables. Maximum is 2048 bytes.

Flashing with command:/Users/garrettconlon/.arduino-create/arduino/avrdude/6.3.0-arduino9/bin/avrdude -C/Users/garrettconlon/.arduino-create/arduino/avrdude/6.3.0-arduino9/etc/avrdude.conf -q -q -patmega328p -carduino -P/dev/cu.usbmodemFA131 -b115200 -D -Uflash:w:/var/folders/cm/p61s4_z16x75ytgkm5mr140h0000gn/T/arduino-create-agent326014180/Blink.hex:i

avrdude: ser_open(): can't open device "/dev/cu.usbmodemFA131": Resource busy

Executing command: exit status 1

We need a bunch of other infos to help you debug your issue, please read this post and provide us with the data listed on 1. Basic information needed.

thanks!

You have the Desktop IDE open or something else that could be using the board port?