Lions boss demands an improvement as unbeaten run comes to an endNeil Harris made no excuses and described his side's 5-1 defeat at Peterborough United as 'totally unacceptable' as Millwall crashed to their first defeat of the season at the ABAX Stadium.
The Lions boss could not hide his fury and vented his frustrations post-match just minutes after the final whistle.
Chopper said: "I thought we were poor from start to finish. Some of our decision making was ridiculous. However much luck we have or don't have, you have to be calm and make good decisions.
"For periods of the game we went into our shell and panicked. That is not my team. We can have one of two having an off game, but tonight we had pretty much everyone.
Chopper had a special mention for those Lions fans who made the trip up to Peterborough, stressing: "I am grateful to the supporters and particularly those that stayed until the end. I couldn't blame anyone for leaving early tonight. I probably would have done so myself if I could."