Something like this is happened to me too. I am so angry with myself. I blame myself although it is not my fault. I have planned everything when there was a letter and instruction to me join in one program according my job. Because of my activities are so full, of course I must cancel all my program on the day when the occasion will be held and plan everything to avoid misunderstanding and questions from other people.
I have thought that there will no problem on that program because I have ready to join that both personally and administrate, so in my leisure time I confirm to committee but I am frightened when suddenly they said there will be changing in the Schedule and I must in the second turn. Oh my God, without information before and calling, easily they said the changing innocent. I am so angry and of course with all of my logic reason I say my objection. But today become my big angry. Fortunately I still remember that God gives us something to make slowlly and calm down by saying Astagfirullah .Yup ! and arrive at home I directly lay under the bamboos the place where my family usually relax one each other