phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8c5fa5418b23971d07fb95bb46da1664' 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 ('8c5fa5418b23971d07fb95bb46da1664', -1, 1766218281, 1766218281, 'd849d89f', 4, 0, 0)

Line : 187
File : sessions.php