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 ('c273c8b51a2a9637bf0ef7f40e84ebae', -1, 1713902450, 1713902450, '03936878', -10, 0, 0)

Line : 187
File : sessions.php