I'm getting similar entries in both UT2004.log & ut2004-win64.log.
No adverse effects in-game apart from the slight fish-eye lens view, which some may find helps with accuracy.
ScriptLog: foxWSFix: foxPlayerInput no replacement specified for UnrealGame.CinematicHud
ScriptLog: foxWSFix: foxPlayerInput no replacement specified for Engine.HUD
ScriptLog: foxWSFix: foxPlayerInput no replacement specified for Equalizer_TC_alpha4.EQHUDFCLocation