phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9894803a352370d89620c81ee3ed332b' 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 ('9894803a352370d89620c81ee3ed332b', -1, 1770273173, 1770273173, 'd849d8a5', -9, 0, 0)

Line : 187
File : sessions.php