He also questioned the attitude of some of his players, by hinting that there were players in the group who were not currently properly committed to the cause.
“We ran out of energy at the end of the day, and ideas,” he told Sky Sports.
“I thought it was a poor game. I thought we didn’t deliver what we were asked to deliver, and we’re a little bit disappointed.
“But that’s where we’re at. We’re looking for performances. I saw a little bit of light at the end of the tunnel against Bradford last week.
“We had a good dig – today it’s back to the drawing board.
“We work hard on Monday and we get to go again.”
As for Eagles poor form during the 2016 campaign, Aston felt that integrating the number of new signings had been an issue, amongst other things.
“There were a lot of changes,” he added.
“We had 11 new faces and it’s taken a little while to bond, and we haven’t quite hit it there yet.
“There’s been some other issues.
“What I’m looking for is people who want to play for Sheffield Eagles, and that’s what we need to get back to.
“And there’s a few people out there that’s got to be questioned.”