[Vpmedia]

you need to find

Debris1A.mat
Debris1B.mat
Debris1C.mat
Debris1D.mat

and rename them to -Debris1A.mat, etc. so the original file will be loaded from the stock sfs file

OR

rename "Keins_debris_effects" folder to "_Keins_debris_effects" so it will be loaded 1st