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 ('d63f5c6d7313f0331c4694355d630b53', -1, 1711710000, 1711710000, '2cdee908', 0, 0, 0)

Line : 193
File : sessions.php