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 ('337fc46a05aa5c99df65e3ed05f339b0', -1, 1714340543, 1714340543, '12e2a95e', 7, 0)

Line : 158
File : sessions.php