I followed the instruction at here: Hands-on: Understanding Barcodes / Understanding Barcodes / Single Cell
Hello @lotus
I think the moderators had trouble helping you because you didn’t share your error, and without the details it is difficult to guess what may have gone wrong. Would you like to do that now? Are you still having this problem?
How to generate a share link to your history is covered in here. You can post that link back in a reply. → How to get faster help with your question
And, if you solved this already, let us know! 