What do the judges mean by Orignal Content when it comes to character mods

[thesrb2fan12]

so, I don't know what they mean by this do they mean mods have already done this or no original sprites or not enough scripts by me?

 

[Lamibe]

The mod should have content you made. Either it be sprites or script

 

[thesrb2fan12]

The mod should have content you made. Either it be sprites or script

thanks for the conformation!