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 ('8199d9e192b7214d407f2d54726e4ff3', -1, 1711656659, 1711656659, '54ccfc03', -2, 0, 0)

Line : 187
File : sessions.php