Fat and Sugar are different.
Don't think of "fat" as in 'it's going to make you fat'.
Fat is a lipid, and when it says "fat" on a label, it's talking about oils like butter or olive oil.
Sugars are carbohydrates, such as glucose, corn syrup, and the sugar you think it is.
High levels of either are unhealthy, but it's important to not get them mixed up