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 ('48586a7a672ae22a1a74d0659f9a8d15', -1, 1722041806, 1722041806, '54ccfc03', -1, 0, 0)

Line : 187
File : sessions.php