According to https://wiki.debian.org/AppStream/Guidelines#How_to_exclude_.desktop_files_from_the_metadata, all that's needed to fix this bug is to add the following entry to libreoffice-startcenter.desktop:
X-AppStream-Ignore=True
According to https:/ /wiki.debian. org/AppStream/ Guidelines# How_to_ exclude_ .desktop_ files_from_ the_metadata, all that's needed to fix this bug is to add the following entry to libreoffice- startcenter. desktop:
X-AppStream -Ignore= True