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 ('e3e4ab19e4c15abcedf11b10d8a9ad7e', -1, 1752388171, 1752388171, '54ccfc03', -4, 0, 0)

Line : 187
File : sessions.php