phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('cdb1c67f5cd02e1eb0348efc297e6a3c', -1, 1711636458, 1711636458, '54ccfc03', -4, 0, 0)

Line : 187
File : sessions.php