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 ('01861ce5bb55e5dd5217ba5630447c28', -1, 1714189403, 1714189403, '340f7045', 4, 0, 0)

Line : 187
File : sessions.php