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) VALUES ('c5c9dbe02139afbc8e5c44a36f6e1e4c', -1, 1714667821, 1714667821, '0390194a', -4, 0)

Line : 158
File : sessions.php