Error the Package Lists or Status File Could Not Be Parsed or Opened While Updating [Duplicate]

I was trying to :

sudo apt-get update

Didn't work with error:

Hit:1  buster/updates InRelease
Hit:2  buster-backports InRelease
Hit:3  buster-updates InRelease
Hit:4  buster InRelease
Hit:5  buster InRelease
Unknown Multi-Arch type 'fore+gn' for package 'nxproxy'
Problem parsing dependency 21
Error occurred while processing nxproxy (NewVersion2)
Problem with MergeList /var/lib/apt/lists         /ftp.hu.debian.org_debian_dists_buster_main_binary-amd64_Packages
The package lists or status file could not be parsed or opened.
Can't call method "policy" on an undefined value at /usr/bin/apt-show-versions line 53.
Reading package lists... Error!
E: Problem executing scripts APT::Update::Post-Invoke-Success 'test -x /usr/bin/apt-show-  versions || exit 0 ; apt-show-versions -i'
E: Sub-process returned an error code
W: Unknown Multi-Arch type 'fore+gn' for package 'nxproxy'
E: Problem parsing dependency 21
E: Error occurred while processing nxproxy (NewVersion2)
E: Problem with MergeList /var/lib/apt/lists/ftp.hu.debian.org_debian_dists_buster_main_binary-amd64_Packages
E: The package lists or status file could not be parsed or opened.