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 ('6b67dc2fefe3288c4e0c00f3f99c0315', -1, 1714683264, 1714683264, '0390681d', 0, 0)

Line : 158
File : sessions.php