phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5b006c6e628a9b1bd27a49beed65d847' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('5b006c6e628a9b1bd27a49beed65d847', -1, 1782051007, 1782051007, 'd849d915', 2, 0, 0)

Line : 187
File : sessions.php