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 ('3048bd116ddddb0a1d4870123a6717a7', -1, 1714300671, 1714300671, '038b513a', -9, 0)

Line : 158
File : sessions.php