Publication looking back on a series of architectural meetings/lectures (2014-2015) that are part of "Les Ateliers Nocturnes" organised by students from Brussels’ Architecture Faculty La Cambre-Horta. Dialogues and talks based on the theme "Erreur(s)", Mistake(s), for the year 2016. A résumé of unpredicted outcomes, calling for embarrassment and the power of turning things over.