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 ('280c9b3def0578c0f309431ac1acb908', -1, 1752879074, 1752879074, '54ccfc03', -2, 0, 0)

Line : 187
File : sessions.php