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, session_admin) VALUES ('c54f4e51a0f13bdb286dbc73f19186f1', -1, 1711709376, 1711709376, '03ed007b', 0, 0, 0)

Line : 187
File : sessions.php