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❓ Question
Asked a question last year

Hello, I built Otto+ for my wife's kid but I can't upload program to it with the web interface https://ottoschool.com/blockly2/. I followed every steps from the procedure without success. I always have the following message "Command failed: /home/vcap/app/bin/arduino-cli compile --fqbn arduino:avr:nanooptiboot --output-dir uploads/arduino1621960995477/build uploads/arduino1621960995477 Error during build: platform not installed". I tired on Linux and MacOS with the same result. Can somebody help me ?

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