Meeting moves into closed session after motion; reason not specified in transcript

Meeting participants voted to enter a closed session after a motion and second; the transcript records the motion and a voice vote but does not record a statutory reason or subject matter for the closed session. "So time to go into closed session. I have a motion to go into closed session," the chair (name not specified) said. A board member (name not specified) moved; a second was recorded and the motion carried on a voice vote.