phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9cffb3c4029e284d5673b335f7b86e2d' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('9cffb3c4029e284d5673b335f7b86e2d', -1, 1606528500, 1606528500, '03ee93d3', 32, 0, 0)

Line : 193
File : sessions.php