phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b05ff8352eb48c9cee8def07de96015b' 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 ('b05ff8352eb48c9cee8def07de96015b', -1, 1770985794, 1770985794, 'd849d821', -9, 0, 0)

Line : 187
File : sessions.php