I was playing a chess match when it showed threefold but me and the other guy only repeated twice.lichess.org/bqOVkhvZ/black#79
After white's move 37, 39, and 41 the position is identical. Threefold refers to position not moves. All is fine here.
See here for more: lichess.org/faq#threefold
See here for more: lichess.org/faq#threefold