Guys, I submitted an EC claim and requested a letter from my GP practice. I thought they get it done in 3 working days and they have done quickly in the past whenever I asked for one. However, this time they are taking longer and said that it actually takes 10 working days not 3 and that there's no way it will be done before 16 February. The university said that if I do not submit the evidence by 13th February I will get a mark of zero in that assessment. What should I do?