React-beautiful-dnd: Invariant failed: Cannot collect without a droppable ref

[Tsabary]

I keep having this error come up when I follow your getting started guide. I am doing my reading but can not understand where it comes from, especially becuase I've compared my code to the one in the course multiple times and I can't seem to finf what am I doing differently.

I've set up this sand box.
Would love to know where my mistake is.

https://codesandbox.io/s/xenodochial-euclid-m5sfk?fontsize=14&hidenavigation=1&theme=dark

[Tsabary]

OK, so switching innerRef to ref solved it for me. If possible I'd recommend adding the note somewhere in the video.

Thanks for this amazing library

[Parnidadu]

yeah it worked. change code like this.

innerRef={provided.innerRef} to
ref = {provided.innerRef}

wherever you have used.

[nasatome]

yeah it worked. change code like this.

innerRef={provided.innerRef} to
ref = {provided.innerRef}

wherever you have used.

this works for me too