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 ('9a0eed86b0be36c74d536b8d1d8174c4', -1, 1714451712, 1714451712, '0d3b09ec', 9, 0)

Line : 158
File : sessions.php