[Koha] How to return from version 17.05 to 16.05

[Luis Moises Rojas]

Hello everybody,

We upgrade from 16.05 to 17.05.
Now we are having at lot of problems.
We can not work at all.

Is there is a way to get back?
Previous version where everything was ok?

Thanks

-- 
*Luis Moisés Rojas P.*