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 ('ec3551dd92090f6bbdfc8cf5d2f7227f', -1, 1711648465, 1711648465, '54ccfc03', -9, 0, 0)

Line : 187
File : sessions.php