phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '7dd2dde0d8d30d291d3ab9c562419fea' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('7dd2dde0d8d30d291d3ab9c562419fea', -1, 1764504348, 1764504348, 'd849d825', -4, 0, 0)

Line : 187
File : sessions.php