def METHOD_NAME(cls, serviceInfoDict):
    """Initialization of DB object"""
    try:
        result = ObjectLoader().loadObject("ProductionSystem.DB.ProductionDB", "ProductionDB")
        if not result["OK"]:
            return result
        cls.productionDB = result["Value"]()
    except RuntimeError as excp:
        return S_ERROR(f"Can't connect to DB: {excp}")
    return S_OK()