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 ('4ef3ff2dc7561c7ac865166d4b5f2f86', -1, 1713498407, 1713498407, '12bfd8a3', -11, 0, 0)

Line : 187
File : sessions.php