ftalphaville.ft.com — The last thing Eelco Blok, chief executive of KPN, needed this week was an unforced error. The Dutch telecom company has been struggling for over a year with customers' shift from voice and messaging to data; it announced yesterday it is seeking to unload its Base subsidiary in Belgium; and in the run-up to its first quarter results announcement next week, analysts have been predicting it will have to scale back its generous dividends policy, putting further downward pressure on shares.