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 ('d415b91faa8f1a48186826d05e5107f1', -1, 1737480320, 1737480320, '03102f7e', -9, 0, 0)

Line : 187
File : sessions.php