phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f7f43b6a19f53c48bb6d2c13b58ea15c' 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 ('f7f43b6a19f53c48bb6d2c13b58ea15c', -1, 1769028480, 1769028480, 'd849d87f', -9, 0, 0)

Line : 187
File : sessions.php