Bayern Munich honorary president Uli Hoeness has questioned the attitude of their winger Lennart Karl while board member for sport Max Eberl spoke of a "normal process" the teenager is going through at the moment.
"I have decided to have a serious talk with him. He is far from being a superstar; young players need humility," Hoeness told the Welt am Sonntag paper.
Hopeness said that lavish praise from last season has gone a bit to the head of last season's rising star.
"Young players also need pressure. I don't know if it does Lennart Karl any good if people are always just patting him on the back," Hoeness said.
"Comparisons with [team-mate Michael] Olise are clearly not doing him any favours; there's a world of difference between them."
Karl, 18, made a huge impact with Bayern's first team last season, scoring nine goals and providing eight assists.
That earned him a place in the German national team, but he missed the World Cup in summer with a thjigh muscle injury.
Since then, he has been struggling to regain his best form and has only played 267 minutes over nine matches so far this season, recording one goal and one assist.
Eberl meanwhile said on Saturday that "what's happening with Lenny is a very normal process for a young professional.
"Everyone, maybe even Lenny himself, expects it always to carry on like it did last season. That's normal. We're supporting him and are confident that he'll reach his level again.
"He had the injury, he missed the World Cup and that obviously has an effect on a player. But like I said, for us it's a completely normal process," Eberl said.
