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 ('2e5c5a28d7f78b29b7b8ae9b960e6049', -1, 1713471115, 1713471115, '038ec78a', 3, 0, 0)

Line : 187
File : sessions.php