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 ('83811f6ca603c0cd0f52e520d4c7bfd8', -1, 1748112635, 1748112635, '340fbf06', -10, 0, 0)

Line : 189
File : sessions.php