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 ('a289a0d17dd6e38bf60b8b8ae940946a', -1, 1713966676, 1713966676, '039061bd', -4, 0, 0)

Line : 187
File : sessions.php