are you on CK?
go into your settings and take your personal profile again
when it comes to the bit where you set your nutrient amounts increase your fat level to 100 grams, that way you will always be under not over!
and stop stressing over it
if your within your calories and eating decent food its not worth worrying about getting everything perfect, its soooo easy to become obsessive about all these little things but unless your planning on becoming an elite fitness machine who cares if you eat 1gram more fat than a computer generated program allows?