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 ('253a6be8d3b4cd2a5255af0f0e51582d', -1, 1747782347, 1747782347, '03904f79', 3, 0, 0)

Line : 190
File : sessions.php