False step - error made by journalists (9)
I believe the answer is:
reporters
'journalists' is the definition.
(I've seen this before)
'false step error made by' is the wordplay.
'false' indicates anagramming the letters.
'made by' is a charade indicator (letters next to each other) (letters written or made by another set of letters).
'step'+'error'='steperror'
'steperror' with letters rearranged gives 'REPORTERS'.
(Other definitions for reporters that I've seen before include "News journalists" , "They relay the news" , "News gatherers for the media" .)