Personally I think the amount of carbs can vary from person to person. However I have found that if I eat more than 45 grams of carbs per day I will not lose weight.
And if they are high sugar type carbs such as fruit, chocolate, sweet desserts, potatoes,carrots, I will not lose eating those types at all. If I eat beyond 60 carbs a day I will put on a pound per day. I have found the best solution is to eat lots of leafy greens and green vegetables. Those give high nutrition and cut sugar cravin