Supporters stopped training and presented Pardew and his squad with a flipchart of where they believed the team was going wrong.
Former Newcastle United manager Pardew told Voetbal International: “Take those supporters who suddenly stood next to the training field with a flipchart. What the hell?!
"And then a few days later there are fans on the field with a sign to explain what goes wrong.
"It seems that such things are more common in the Netherlands. I can live with that and I am willing to explain to everyone what we are doing. But make an appointment, choose another day. This had a negative effect on the squad."