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 ('275989c5e89194c31d001b406d5a6dac', -1, 1737480221, 1737480221, '12dc2a16', -9, 0, 0)

Line : 187
File : sessions.php