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 ('53b1daf7426a86f2ae0a7117f5c656b0', -1, 1714039401, 1714039401, '54ccfc03', -4, 0, 0)

Line : 187
File : sessions.php