upload

"upload" abort with this message.

In file included from motion_control.cpp:22:0:
Marlin.h.32:25: fatal error: Arduino.h: file or directory does not exist
kompiling finished

As far as i understand the file exists. And everything else looks normal. No problem connecting in pronterface.

Running latest kubuntu on this computer ,with what i think, identical program version and settings as my debian computer where arduino function without problem

Need some tips to solve this

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