Thanks! Please do this:
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Click the following link to open Arduino Cloud Editor in your web browser:
https://create.arduino.cc/editor -
Since you are currently using the "old" editor, you should see a notification at the bottom right of the page:
New Cloud Editor is out, try it now!
Click the "try it now!" link in that notification.
The "new" Cloud Editor will open. -
Click the icon at the top left corner of the page.
A navigation menu will open. -
Select "Sketches" from the menu.
The "Sketches" page will open. -
Click on the problematic sketch.
The sketch will open in Arduino Cloud Editor. -
If it is not already, select the appropriate board and port.
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Click the icon at the bottom left corner of the page ("Settings").
The "Settings" panel will open. -
Select the radio button next to Console verbosity > Verbose output.
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Click the upload button (➜) on the Cloud Editor toolbar.
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Wait for the upload to fail.
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If the black "Console" panel at the bottom of the Arduino Cloud Editor page is minimized, click the ˄ icon at the right side of the Console toolbar to expand it.
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Click the icon in the top right corner of the Console panel that looks like two pieces of paper ("Copy Console Output").
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Open a forum reply here by clicking the "Reply" button.
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Click the
<CODE/>icon on the post composer toolbar.
This will add the forum's code block markup (```) to your reply to make sure the error messages are correctly formatted.
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Press the Ctrl+V keyboard shortcut (Command+V for macOS users).
This will paste the error output from the upload into the code block. -
Move the cursor outside of the code block markup before you add any additional text to your reply.
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Click the "Reply" button to post the output.
Please let me know if you have any questions or problems while following those instructions.