phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('f47fcd45783bf6a0e29e5e8c2918c00a', -1, 1737482066, 1737482066, '12db0c58', 6, 0, 0)

Line : 187
File : sessions.php