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 ('67b46c519db545a896fd08ae1807b286', -1, 1711711744, 1711711744, '54ccfc03', -2, 0, 0)

Line : 187
File : sessions.php