Uncaught Error: buffer is either not set or not loaded
ti https://unpkg.com/[email protected]:1
start https://unpkg.com/[email protected]:21
triggerAttack https://unpkg.com/[email protected]:21
triggerAttack https://unpkg.com/[email protected]:21
processPianoState https://kevinzakka.github.io/robopianist-demo/examples/main.js:174
render https://kevinzakka.github.io/robopianist-demo/examples/main.js:255
onAnimationFrame https://kevinzakka.github.io/robopianist-demo/node_modules/three/build/three.module.js:27951
onAnimationFrame https://kevinzakka.github.io/robopianist-demo/node_modules/three/build/three.module.js:12661