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 ('5e64c243ab86c1c383ed287d7c67c47f', -1, 1369054072, 1369054072, '482c307a', -10, 0, 0)

Line : 187
File : sessions.php