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 ('f0d3c087f2464f66c8c808a8fe0e3079', -1, 1743799550, 1743799550, '12e20481', 1, 0, 0)

Line : 187
File : sessions.php