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 ('d84df19b3f868a5411073c5a251de8e1', -1, 1714026771, 1714026771, '54ccfc03', -9, 0, 0)

Line : 187
File : sessions.php