pxtapp.js:1 unhandled exception: Add 'robot start ...' block in the 'on start' block
at instance (pxt_modules/microbit-robot/robotdriver.ts:47:9)
at setRadioGroup (pxt_modules/microbit-robot/blocks.ts:256:5)
at <main> (pxt_modules/ws2812b/main.ts:1:1)
Add robot extension to MakeCode and create this program (https://makecode.microbit.org/_PEqVT5VRaXzb):
See following error in console: