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 ('aa6cc1c83f76af0dfd307c0f159d7d02', -1, 1711655429, 1711655429, '035abb0b', -1, 0, 0)

Line : 187
File : sessions.php