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 ('310c6a0f854ab9c430b0f5d5515e1e01', -1, 1717393787, 1717393787, '1276ab13', -2, 0, 0)

Line : 187
File : sessions.php