post error

[abhishek15002]

hey! great work on blog but i'm getting post error. how do i fix it? i copied the code as it was. Thank you.

please find the attached image.

[mnbrightblade]

An answer to this would really be nice. I'm getting the same thing in 2021. This code doesn't look to have been maintained at all and there have been massive changes to socket.io since this code was first conceived.