phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'dc22070cefca3346500901972eb2e2c1' 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 ('dc22070cefca3346500901972eb2e2c1', -1, 1769403135, 1769403135, 'd849d869', -9, 0, 0)

Line : 187
File : sessions.php