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 ('8543391e563b550c13212ac24e8d5ec5', -1, 1737578998, 1737578998, '0d3ba5e0', 4, 0, 0)

Line : 187
File : sessions.php