phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9c472d28c3f51bd6068a5945937caab0' 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 ('9c472d28c3f51bd6068a5945937caab0', -1, 1767185286, 1767185286, 'd849d89f', -9, 0, 0)

Line : 187
File : sessions.php