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 ('7c1b6f0f301363c373b214a399cb3e19', -1, 1752472498, 1752472498, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php