Porous at the back and impotent in attack.
It was a costly combination that saw Pompey suffer a home defeat to Blackpool in a dismal contest on the south coast.
Kyle Vassell and Clark Robertson both greedily grasped on sloppy defending to score for the grateful visitors.
And Kenny Jackett knows that his young side have to be better at both ends of the pitch if they want to find some consistency.
The Blues boss said: “We had a lot of the ball without doing anything with it. It was tough for us.
“There were a couple of decent crosses from Jamal Lowe and Oli Hawkins looked dangerous in the box before his injury.
"There are just too many mistakes at the back that are costing us at the moment."
“But it was pretty easy for Blackpool to keep their shape and be constructive enough to close us down, making it difficult for us going forward.
“The game petered out, while there are just too many mistakes at the back that are costing us at the moment.
“If I look at both of the goals there are errors there. Our opponents put pressure on us with their pace and power.
“We were up and around their box in the final 5-10 minutes, but Blackpool still looked pretty comfortable.
“Going down their end is one thing, but we were making the wrong decisions when we got there, allowing them to keep us out.
“Ultimately, they made fewer mistakes than us. We didn’t create enough and couldn’t find a tempo to our play.
“After a very good win at Fleetwood on Tuesday night we needed to build some momentum, but the players still need to keep their heads up.”