Plymouth boss Paul Sturrock refused to blame defender James Chester for the goal which condemned them to their seventh consecutive Coca-Cola Championship defeat.
Chris Gunter fired Nottingham Forest to a 1-0 win, extending their unbeaten away record to five games, capitalising on an error by on-loan Manchester United defender Chester to score in first-half stoppage time.
Sturrock said: "There's no way I can blame young Chester for the goal. I thought he did really well. I thought Chester and Shane Lowry did well at the back for us."
He added: "That's not the concern. The concern is that we need to score goals. I am sure that once we get goals we will get a win.
"We are at Peterborough on Tuesday and have got Scunthorpe home next Saturday. If we get six points from those two games then we are in the pack above us again - so that has to be the target, six points."
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