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 ('e786c46fd099e54886d547ff7a8de0e8', -1, 1711706751, 1711706751, '54ccfc03', -2, 0, 0)

Line : 187
File : sessions.php