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 ('beda4d4a851c6fe6f7330a023a8c0bf2', -1, 1713882286, 1713882286, '12bfd8a3', -2, 0, 0)

Line : 187
File : sessions.php