after installing pt it returns the bellow message, what is wrong in that string lineafter installing pt all dpkg commands has been failed dpkg --listdpkg-query: error: parsing file '/var/lib/dpkg/status' near line 44978 package 'packettracer':duplica...

deb source of ackettracer from netacad , ver 730-amd64 https://drive.google.com/open?id=1ZBqg7yKWrv_wqUh-sE08KccO5qKesTbl 

I have the same problem, installing packet tracer on ubuntu 20.04 getting the below error message  [$] <> sudo dpkg -i PacketTracer_730_amd64.debSelecting previously unselected package packettracer.(Reading database ... 179344 files and directories c...