What conflict does the mother (Mrs. Reed) have with the narrator (Jane) ?

Conflict between Mrs. Reed and Jane:

Jane is the narrator of the novel 'Jane Eyre' written by Charlotte Bronte. The story revolves around the life struggles of Jane who is an orphan. Since Jane is an Orphan she used to live with her aunt Mrs. Reed and her children. The most notable conflict between Mrs. Reed and Jane arise when there's a fight between Jane and her cousin brother John. Because of this Mrs. Reed punishes Jane by locking her in a red room. That was the same room where Jane's uncle died and which is why Jane could sense a presence of some kind of supernatural power which made her scarier.