Flubbed (6)
'flubbed' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for erred that I've seen before include "Made mistake, was incorrect" , "Was mistaken" , "was inaccurate" , "Went astray" , "Sinned" .)
(Other definitions for goofed that I've seen before include "Made a mistake (US)" , "Misjudged" .)