Captain Harry Maguire accepts Manchester United will continue to fall short in their quest for success unless they learn from the mistakes that saw their Champions League hopes go up in smoke at RB Leipzig.
Having fought to seal their return to European football's table and made such an eye-catching start to Group H, Ole Gunnar Solskjaer's side stalled when a point would have been enough to progress.
Europa League football now awaits United in the new year after Tuesday night's 3-2 defeat at Leipzig, who reached last year's Champions League semi-finals but were also thrashed 5-0 at Old Trafford just six weeks ago.