Post a developer ch

I hope can help
I did have 1 none published channels, yesterday my channel was delete it
I can create a new channel but it didn't show or accept any changes like before

Some body can tell me what I need to do ??
I use my own json script nothing
I use the direct published w the company " Roku channel"
Nothing
So I really do not understand what is the new process
Some body can tell me what do I have to do??