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 ('14bf51c841d32effcd4cb06e23354e09', -1, 1717101121, 1717101121, '12bf5ef9', 1, 0, 0)

Line : 187
File : sessions.php