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 ('f3f0334f2ea81deddbf57f3017e0c95e', -1, 1714420154, 1714420154, '127689f3', 7, 0)

Line : 158
File : sessions.php