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 ('aa1c13537c5285f5951117abf9a05a45', -1, 1737598627, 1737598627, '0389b6c9', -9, 0, 0)

Line : 187
File : sessions.php