phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('f982a8863a2423a92e7b78f08d4e549e', -1, 1717440841, 1717440841, '0313f439', 1, 0, 0)

Line : 187
File : sessions.php