"Thomas is in a bad situation and he must follow developments closely and consider if he is to move," Olsen told the Eastern Daily Press.
"I think Thomas should consider leaving the club. It sounds like pure nonsense that they cannot use him at Norwich.
"He is a man who is the Danish captain and who is still showing international class when playing for Denmark.
"Thomas is a man who, according to the official statistical material from Euro 2004, was the best defender of all.
"If there were problems with him I think you could understand it, but there are never problems with him. I know Thomas and he is always professional."