getting Kf file to work with nif file

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Recently I been editing my personal game And added the sesweep.kf file in use for a few of the NPC shop keepers. The aniamtion file is linked to Broomlower01.nif file. But recently Something has happened to the Broom and I am not sure what to do. The animation still works but the broom is no longer reconized by the game. I have gone into CS a few times and tried to re-assign the animation with the broom mesh but every possible combo i have tried using rakes, brooms, and everything inbetween the KF file seems to not reconize anything anymore. I was wondering if anyone had any ideas on what the problem might be that i am trying to work out. It would be such a shame to have all my shopkeepers sweep the floors with an non-existant broom.