phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('54e1f1cb3aa650db6aa2f05b44972fc6', -1, 1737633743, 1737633743, '03856c9b', 6, 0, 0)

Line : 187
File : sessions.php