Ensure you have the latest Divinity Script Extender or equivalent for your game to correctly interpret Osiris scripts.
Many files shared under this name on forums or YouTube are not the original open-source tool but are instead "binders" containing trojans or info-stealers. osiris.loader.rar
Knowing the game or software context will help me refine the technical details for you. Ensure you have the latest Divinity Script Extender