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 ('a02f07b029fa462a7e9a49d460b92204', -1, 1758089903, 1758089903, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php