phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a921b877ab6ab76e8bc6d52e306e35ec' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('a921b877ab6ab76e8bc6d52e306e35ec', -1, 1772260944, 1772260944, 'd849d8d4', 1, 0)

Line : 158
File : /home/httpd/vhosts/purassanta.net/httpdocs/forum/includes/sessions.php