Haven’t changed a line of code since I last used Build but getting this error when I try to compile.
What device and what version of firmware are you targeting? Try the latest version?
I’ve seen that occur when your actual device (Photon or Electron) becomes deselected as the target. The default is then to build for the Core, which does not have thread or software timer support without adding a library, and you get that error.
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You were right.
I didn’t notice that the device got deselected.
Thanks!