我在操作系统从14.04升级到16.04后一直尝试安装Okular和Kile。然而，我遇到了以下错误：
我尝试使用aptitude再次安装，这是它告诉我的内容：
接受这个解决方案并选择
然而，我不确定，实际上我真的不知道发生了什么。直觉告诉我问题与
非常感谢你们能够给予我的任何帮助。谢谢！
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
okular : Depends: libokularcore7 (= 4:15.12.3-0ubuntu1) but it is not going to be installed
Depends: kde-runtime (> 4:4.10) but it is not going to be installed
Depends: libkio5 (>= 4:4.14) but it is not going to be installed
Depends: libkparts4 (>= 4:4.14) but it is not going to be installed
Depends: libkprintutils4 (>= 4:4.14) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
我尝试使用aptitude再次安装，这是它告诉我的内容：
The following NEW packages will be installed:
fonts-dejavu{a} kactivities{a} kate-data{a} katepart{a} kde-runtime{a} kde-runtime-data{a} kde-style-breeze{a} kde-style-breeze-qt4{a} kdelibs-bin{a} kdelibs5-data{a} kdelibs5-plugins{a}
kdoctools{a} kpackagelauncherqml{a} kpackagetool5{a} libattica0.4{a} libclucene-core1v5{ab} libdlrestrictions1{a} libkactivities6{a} libkatepartinterfaces4{a} libkcmutils4{a}
libkde3support4{a} libkdeclarative5{a} libkdecore5{a} libkdesu5{a} libkdeui5{a} libkdewebkit5{a} libkdnssd4{a} libkemoticons4{a} libkexiv2-11v5{a} libkexiv2-data{a} libkf5activities5{a}
libkf5archive5{a} libkf5calendarevents5{a} libkf5declarative-data{a} libkf5declarative5{a} libkf5package-data{a} libkf5package5{a} libkf5plasma5{a} libkf5plasmaquick5{a}
libkf5quickaddons5{a} libkf5style5{a} libkfile4{a} libkhtml5{a} libkio5{a} libkjsapi4{a} libkjsembed4{a} libkmediaplayer4{a} libknewstuff3-4{a} libknotifyconfig4{a} libkntlm4{a}
libkparts4{a} libkprintutils4{a} libkpty4{a} libkrosscore4{a} libktexteditor4{a} libkxmlrpcclient4{a} libntrack-qt4-1{a} libntrack0{a} libokularcore7{a} libphonon4{a} libplasma3{a}
libpolkit-qt-1-1{a} libqca2{a} libqca2-plugins{a} libqimageblitz4{a} libqmobipocket1{a} libqt5quickwidgets5{a} libsolid4{a} libstreamanalyzer0v5{a} libstreams0v5{a} libthreadweaver4{a}
libxcb-damage0{a} ntrack-module-libnl-0{a} okular phonon{a} phonon-backend-gstreamer{a} phonon-backend-gstreamer-common{a} plasma-framework{a} plasma-scriptengine-javascript{a}
qml-module-org-kde-activities{a} qml-module-org-kde-kquickcontrols{a} qml-module-org-kde-kquickcontrolsaddons{a} qml-module-qtquick-controls{a}
0 packages upgraded, 83 newly installed, 0 to remove and 0 not upgraded.
Need to get 33.2 MB of archives. After unpacking 120 MB will be used.
The following packages have unmet dependencies:
libclucene-core1v5 : Conflicts: libclucene-core1 but 2.3.3.4-4build1 is installed.
The following actions will resolve these dependencies:
Keep the following packages at their current version:
1) katepart [Not Installed]
2) kde-runtime [Not Installed]
3) kdelibs5-plugins [Not Installed]
4) kdoctools [Not Installed]
5) libclucene-core1v5 [Not Installed]
6) libkatepartinterfaces4 [Not Installed]
7) libkde3support4 [Not Installed]
8) libkdewebkit5 [Not Installed]
9) libkemoticons4 [Not Installed]
10) libkfile4 [Not Installed]
11) libkhtml5 [Not Installed]
12) libkio5 [Not Installed]
13) libkmediaplayer4 [Not Installed]
14) libknewstuff3-4 [Not Installed]
15) libknotifyconfig4 [Not Installed]
16) libkparts4 [Not Installed]
17) libkprintutils4 [Not Installed]
18) libktexteditor4 [Not Installed]
19) libkxmlrpcclient4 [Not Installed]
20) libokularcore7 [Not Installed]
21) libplasma3 [Not Installed]
22) libstreamanalyzer0v5 [Not Installed]
23) okular [Not Installed]
24) plasma-scriptengine-javascript [Not Installed]
Leave the following dependencies unresolved:
25) kdelibs5-plugins recommends kde-runtime
Accept this solution? [Y/n/q/?]
接受这个解决方案并选择
Y后，问题仍然没有得到解决。
根据我微薄的理解，我认为问题可能出在aptitude引用的这行代码上。25) kdelibs5-plugins recommends kde-runtime
然而，我不确定，实际上我真的不知道发生了什么。直觉告诉我问题与
kde 有关。非常感谢你们能够给予我的任何帮助。谢谢！