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 ('c66b47c32b45315ec62ee23b012a6f3f', -1, 1762183615, 1762183615, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php