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 ('556b8b5f533710e1b51dee5431b0e0e6', -1, 1752310205, 1752310205, '54ccfc03', -4, 0, 0)

Line : 187
File : sessions.php