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 ('d6d28d5b3cf3aad2b42505e5882af9bc', -1, 1737598790, 1737598790, '0391222a', 2, 0, 0)

Line : 187
File : sessions.php