Tut tut you lot - they are just trying to do their job. It's the rules and regulations you know, or the computer system, or the turnover of staff, or the lost files , or the wrong status being put on the case etc.
I have always found them to be ever so helpful - haven't had a penny in over 5 years now and that is supplying them with employers addresses, National Insurance numbers etc. I am just too darn helpful