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 ('27bf1fd2e0bb1a02b0df21a65f2970f4', -1, 1711674875, 1711674875, '03e3ef09', -4, 0, 0)

Line : 193
File : sessions.php