UTtech4.utx is not an official texture package and wasn't included with any official patches or bonus packs.papercoffee wrote: The missing pack is from the official 4th patch for UT.
Anyway ...the 48-SC-Map-pack will include the fixed versions + all necessary packages.
You are mixing it up with SGTech1.utx which is part of BP4. UTtech4.utx itself was included with Tactical Ops mod.