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 ('418282285f3db4a88c8e45cec37bae58', -1, 1713979953, 1713979953, '038a71bc', 3, 0, 0)

Line : 187
File : sessions.php