If your UnrealIRCd is up and running but you have a question about it, then use this forum.
(NOT for installation or connecting issues! Use the other forum instead.)
You better tell us what the problem is exactly that you are experiencing. Now we can only guess
Anyway, you should at least remove the whole "operclass netadmin-with-override {" you had within your oper { block. Such an operclass definition should never be within your oper block.