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 ('7ef89394a38196ab5ae7a1a527cb38e4', -1, 1748942826, 1748942826, '038a7e59', 5, 0, 0)

Line : 190
File : sessions.php