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 ('fba277e460c30e1b8d7c7a92825b1de1', -1, 1713497849, 1713497849, '0389d580', 3, 0, 0)

Line : 187
File : sessions.php