当我尝试安装任何软件时，都会遇到此错误，因此无法更新。
Preconfiguring packages ...
dpkg: error: parsing file '/var/lib/dpkg/status' near line 51245 package 'oracle-xe':
mixed non-coinstallable and coinstallable package instances present
N: Ignoring file 'gcl' in directory '/etc/apt/sources.list.d/' as it has no filename extension
N: Ignoring file 'gcl' in directory '/etc/apt/sources.list.d/' as it has no filename extension
E: Sub-process /usr/bin/dpkg returned an error code (2)
dpkg ×1