phpBB : Kritischer Fehler

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6a49988ae959d2daa59ee67a5f503474' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('6a49988ae959d2daa59ee67a5f503474', -1, 1369086653, 1369086653, '6b1481d4', 4, 0, 0)

Line : 187
File : sessions.php