That is no error: it is a stylistic preference.
Times, Sunday Times (2014)
But this is a stylistic preference, not a grammatical one.
Times, Sunday Times (2013)
In my opinion, it's a matter of stylistic preference.
Times, Sunday Times (2012)
By all means use this construction if it's what you prefer but it's purely a stylistic preference and not a grammatical imperative.
Times, Sunday Times (2013)