First compile error

I am unable to get the compilation to complete in CircuitBlocks. This is the first attempt to upload a basic sketch (following the CircuitBlocks LED tutorial and just clicking “Lights” from the Spencer section of the default CircuitBlocks page). The compilation bar gets to about 40% fairly quickly and then slows down considerably. Then I get a dialog that pops up and says:

Compile error. Check your code then try again.

Is this perhaps some kind of permissions issue? I’m running on Windows.

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Hi @kilter,

Thank you for reaching out.

We are sorry to hear you are experiencing some problems while trying to compile a code on Spencer.

Please, send us an email at, and we’ll help out immediately.

Monika from CircuitMess