route cannot be found while reverse-routing.

Fix what? Everything works fine.
I showed above how to get out of the situation in three ways.

But if you want to change behavior, you can offer your PR.

Me hust beeing a bit slow
Changed it to 

PHP Code:

return redirect()->to('/admin/cat/edit/'.$id)->withInput()->with('validation',$this->validator); 


Thanx for helping me out
Rgrds Bengt