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 ('dd9776e59fb8a46bb6ab609450b7d04b', -1, 1737632945, 1737632945, '038efa6d', 2, 0, 0)

Line : 187
File : sessions.php