The former Celtic keeper played for Legia and is a boyhood supporter of the Polish club. He was photographed holding a megaphone as he led chants at Ibrox.
Speaking at a press conference ahead of Bournemouth’s trip to Leicester on Saturday, Cherries boss Howe said: “I only knew about it very late last night. So it’s not really ideal.
“It’s something I will speak to Artur about today.
“I don’t know too much about the details of it. I just knew he was there.”
Bournemouth head to the King Power Stadium with four points from their opening three games, and will hope to add to that tally following a 3-1 defeat to Man City last weekend.