I using the cloud compiler and a (brand new) Photon. I occasionally/frequently get the following error message: error: 'class USBSerial' has no member named 'printf' and error: ‘class SystemClass’ has no member named ‘ticksPerMicrosecond’ but then I’ll re-compile my code (without having changed…

That code is only 51 lines long, whereas your setup function seems to be on line 69, which is where it’d land if you copy&pasted it twice. Could you double check to make sure that’s not the case :wink: ?

An "impossible" compiler error message

Troubleshooting

bko December 16, 2015, 2:54am 2

Hi @randyenger

I think you are running into this issue:

Can you try switching the web IDE to compile against 0.4.7 instead of 0.4.7. latest?

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An "impossible" compiler error message

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