It may be a one off or a rare disorder. Similar situations have occurred previously and remedies such as consuming pickle juice and various combinations of food intake have solved the problem. In this case, those methods didn’t provide a solution and Thames had to shut it down.
At this point, it appears to me that they are trying to determine the optimum combination of food, electrolyte, and fluid consumption, along with both dynamic and static stretching, and periods of rest to see which combination is the most effective.