How can I resolve this issue?
Hi, @boom 
In order to help troubleshoot your issue, I think it may be useful to know the following: What version of Ubuntu MATE are you using? What operation did you try that made that dialog box appear with the following text:
Package operation failed
The installation or removal of a software package failed.
Details
installArchives() failed: dpkg: warning: parsing file '/var/lib/dpkg/status' near line 1771 package 'libapt-pkg5.0':
Could you include, in your reply, the partial content of that '`/var/lib/dpkg/status' file with some lines that include that line 1771? Let's say, 10 lines from that file starting from line 1765 to 1775? To do that, I suggest that you enter the following command in a terminal window and then copy + paste the result to another reply in this topic:
nl -b a < /var/lib/dpkg/status | sed -n '1765,1775p'
In my case, the output for that same command is the following:
1765
1766 Package: bluez
1767 Status: install ok installed
1768 Priority: optional
1769 Section: admin
1770 Installed-Size: 3671
1771 Maintainer: Ubuntu Bluetooth team <[email protected]>
1772 Architecture: amd64
1773 Multi-Arch: foreign
1774 Version: 5.64-0ubuntu1
1775 Replaces: bluez-audio (<= 3.36-3), bluez-input, bluez-network, bluez-serial, bluez-utils (<= 3.36-3), udev (<< 170-1)
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