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 ('7b6c8cd2137597d4b2cb3c9cbf9d9d85', -1, 1714357474, 1714357474, '038a7a04', 13, 0)

Line : 158
File : sessions.php