I'm an accountant, like loads of other accountants I have to renew my membership every year before 1st January.
Every year the same - they cant process the payment. Why? Because they dont invest in a decent payment system which can cope with the entirely predictable volume of transactions.
What are they spending the membership fees on? In my nearly 30 years of membership the only thing I have had from them is a free orange juice once at a conference. I'm not even sure they paid for that.
Sorry, I needed to vent before I send them a snotty email using un-accountant language!