phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ebb81c6b8e6c5fa787a7922b1f815263', -1, 1714027286, 1714027286, '0311aeef', -9, 0, 0)

Line : 187
File : sessions.php