phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '87c72e194d6fd1d91e99545cb2f440aa' 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 ('87c72e194d6fd1d91e99545cb2f440aa', -1, 1769045942, 1769045942, '12610e53', 0, 0, 0)

Line : 187
File : sessions.php