Hello,
dnfdragora will not upgrade OM Lx 4.0 to OM Lx 4.1. Discover will not upgrade OM Lx 4.0 to OM Lx 4.1.
Trying to do this will break your system. See this post for how to do this correctly.
I realize this is kind of late in the process to be posting this but it did come up today.