Reds Caretaker Head Coach Paul Heckingbottom gave his thoughts as Barnsley's seven-match winning league run came to an end at Gillingham.
"I'm disappointed the run's come to an end and the manner in which it did," he said.
"I was disappointed with the goals we conceded because they had two attempts on target and scored two goals.
"You can imagine the frustration we've got in there. First half - we didn't do enough with the ball. We competed and nullified their threats and didn't impose ourselves on the game. At half time we asked for more positive play and tempo, playing forwards, creating chances. The lads responded really well but we just lacked that little bit of quality in the final third.
"We started bright in the second half and were on top. We got our rewards with a goal and then it's a little lack of discipline from what we've worked on - being strong and controlling the middle of the pitch. Our two midfielders got split and we left a gap in the middle of the park.
"We needed cool heads at that moment and we've been punished.
"We didn't make the most of our opportunities going forward. We had numerous shots blocked and we've missed the target on too many occasions.
"The run had to come to an end at some point, we're just disappointed with the manner in which it did."