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 ('7e031d40acad7b21e7271ed2bd367cf9', -1, 1748492214, 1748492214, '03154b68', -9, 0, 0)

Line : 190
File : sessions.php