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 ('7d5fa5338f4781a8e118085f9dcd92d1', -1, 1711703715, 1711703715, '2cc841ae', -1, 0, 0)

Line : 193
File : sessions.php