According to HESC, if she does not meet the requirement this semester, she will not get credited with the tuition payment this semester. The only way that she would have to pay back the back monies if she switches to a non approved major or does not complete the service requirement.
How many college AP credits did she transfer in?
It seems that it may have been to her detriment, because now she, she cannot meet the degree requirement.
Did your D meet with her adviser before registering for classes in order to work out a graduation plan that would allow her to fulfill the requirements of the scholarship? Find out if there are alternatives, additional courses or research that she can use toward the degree requirement.
Is there someone at the school who coordinates the scholarship and advises students as to what courses meet the requirement?
From UALbany, What to consider before taking the STEM scholarship