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 ('c4fa492f66fd694937d2642e4f3df52d', -1, 1717136979, 1717136979, '12740e76', 3, 0, 0)

Line : 187
File : sessions.php