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Energia IDE fails with fatal error: MSpanList_Insert

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A bit more information:

- The error occurs for the board MSP-EXP4305529LP, but seems to occur whatever board I have selected.

- The error occurs for minimal sketches, eg Blink.

- I think the last time it worked was before upgrading my Mac from El Capitan to High Sierra.

- The Arduino IDE (version 1.8.5) works fine.

I hope someone can help, as I am a bit stuck without the Energia IDE.

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Thank you for that suggestion, and sorry I missed the earlier topic.

The 1.3.21 version of arduino-builder you linked to didn't work for me, but I tried the latest version 1.3.25 from here:


(I copied the file arduino-builder into Energia.app/Contents/Java/ replacing the one that's already there.)

That seems to work fine - thanks!

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