phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '926be1501096f6808d6b8dd3a7e2fe04' 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 ('926be1501096f6808d6b8dd3a7e2fe04', -1, 1771231165, 1771231165, 'd849d800', 2, 0, 0)

Line : 187
File : sessions.php