phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '15ba7839d150796e6332042e90e3698b' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin, priv_session_id) VALUES ('15ba7839d150796e6332042e90e3698b', -1, 1714256853, 1714256853, 'ac46b2e0', -4, 0, 0, 'd1ea031af87422856817a1c54b3ffa3b')

Line : 187
File : sessions.php