Hi Wobbly legs
Your daughter needs to contact UC helpline: 0800 328 5644. The claim should be re-instated, as that is the decision of the Tribunal.
If she re-applies then she has to go through the 5 week waiting period and contact her work coach again.
Your daughter may need help from a local welfare rights worker or your local MP.
Gary
Nothing on this board constitutes legal advice - always consult a professional about specific problems