Typically this error means that the sketch you're compiling doesn't contain a loop function. Every sketch must have a setup and a loop function, even if they are left empty.
Try this:
- File > New
- Sketch > Verify/compile
Does the error still occur?
Typically this error means that the sketch you're compiling doesn't contain a loop function. Every sketch must have a setup and a loop function, even if they are left empty.
Try this:
Does the error still occur?