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 ('c32c06f4d8906fb98c44c8caa40ef76c', -1, 1717174144, 1717174144, '0311a772', 0, 0, 0)

Line : 187
File : sessions.php