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 ('81870342f183d93d381f368f97b25cfa', -1, 1752879154, 1752879154, '54ccfc03', -4, 0, 0)

Line : 187
File : sessions.php