phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a3828e2b0b709dd90cea53a6d16b7115' 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 ('a3828e2b0b709dd90cea53a6d16b7115', -1, 1771201625, 1771201625, 'd849d87a', 5, 0, 0)

Line : 187
File : sessions.php