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) VALUES ('16669a9bd38e67f03439976c7ba031d9', -1, 1714246623, 1714246623, '0314eebb', -11, 0)

Line : 158
File : sessions.php