I have a filter that I don't succeed to submit.
The filter is accepted for upload without any problem.
But finally I get the message in the picture.
"Connection error". It can't be about connection, because I uploaded other filters before and after this and it goes fine.
This is not a particularly slow filter, so it can't even be that it was refused because too slow.
It has no Map Script that gives any error. Then this is not the reason too.
It has many controls. But Filter Forge accepts up to 100 controls and this filter has less than 100.