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 ('1503741613089c13a20a256a117877e5', -1, 1716832846, 1716832846, '12bfec9e', 1, 0, 0)

Line : 187
File : sessions.php