error in khangman

root@sayan-pc:/home/saiyan/Documents/khangman/build# cmake ..
--
-- The following REQUIRED packages have been found:

 * Qt5Core
 * Qt5Network (required version >= 5.4.1)
 * Qt5Qml
 * Qt5Gui (required version >= 5.4.1)
 * Qt5Quick
 * Qt5Widgets (required version >= 5.4.1)
 * Qt5QuickWidgets
 * Qt5Svg
 * Qt5
 * Gettext
 * PythonInterp
 * KF5I18n
 * KF5Crash
 * KF5Completion
 * KF5Config
 * KF5CoreAddons
 * KF5ConfigWidgets
 * ECM (required version >= 0.0.9)
 * KF5Declarative
 * KF5DocTools
 * KF5NewStuff
 * KF5Notifications
 * KF5XmlGui
 * KF5KIO
 * KF5
 * LibKEduVocDocument

-- Configuring done
-- Generating done
-- Build files have been written to: /home/saiyan/Documents/khangman/build
root@sayan-pc:/home/saiyan/Documents/khangman/build# make
Scanning dependencies of target doc-index-cache-bz2
[  9%] Generating index.cache.bz2
index.docbook:2: element para: validity error : ID gnu-fdl already defined
element div: validity error : ID header already defined
element div: validity error : ID header_content already defined
element div: validity error : ID header_left already defined
element div: validity error : ID header_right already defined
element div: validity error : ID header already defined
element div: validity error : ID header_content already defined
element div: validity error : ID header_left already defined
element div: validity error : ID header_right already defined
element div: validity error : ID header already defined
element div: validity error : ID header_content already defined
element div: validity error : ID header_left already defined
element div: validity error : ID header_right already defined
element div: validity error : ID footer already defined
element div: validity error : ID footer_text already defined
element div: validity error : ID header already defined
element div: validity error : ID header_content already defined
element div: validity error : ID header_left already defined
element div: validity error : ID header_right already defined
element div: validity error : ID footer already defined
element div: validity error : ID footer_text already defined
element div: validity error : ID footer already defined
element div: validity error : ID footer_text already defined
element div: validity error : ID header already defined
element div: validity error : ID header_content already defined
element div: validity error : ID header_left already defined
element div: validity error : ID header_right already defined
element div: validity error : ID header already defined
element div: validity error : ID header_content already defined
element div: validity error : ID header_left already defined
element div: validity error : ID header_right already defined
element div: validity error : ID footer already defined
element div: validity error : ID footer_text already defined
element div: validity error : ID footer already defined
element div: validity error : ID footer_text already defined
element div: validity error : ID header already defined
element div: validity error : ID header_content already defined
element div: validity error : ID header_left already defined
element div: validity error : ID header_right already defined
element div: validity error : ID header already defined
element div: validity error : ID header_content already defined
element div: validity error : ID header_left already defined
element div: validity error : ID header_right already defined
element div: validity error : ID footer already defined
element div: validity error : ID footer_text already defined
element div: validity error : ID footer already defined
element div: validity error : ID footer_text already defined
element div: validity error : ID header already defined
element div: validity error : ID header_content already defined
element div: validity error : ID header_left already defined
element div: validity error : ID header_right already defined
element div: validity error : ID footer already defined
element div: validity error : ID footer_text already defined
element div: validity error : ID footer already defined
element div: validity error : ID footer_text already defined
[  9%] Built target doc-index-cache-bz2
Scanning dependencies of target doc-khangman-6
[ 18%] Generating khangman.6
Note: Writing khangman.6
[ 18%] Built target doc-khangman-6
Scanning dependencies of target khangman_automoc
[ 27%] Automatic moc for target khangman
Generating moc_khangman.cpp
[ 27%] Built target khangman_automoc
[ 36%] Generating prefs.h, prefs.cpp
Scanning dependencies of target khangman
[ 45%] Building CXX object src/CMakeFiles/khangman.dir/main.cpp.o
/home/saiyan/Documents/khangman/src/main.cpp: In function ‘int main(int, char**)’:
/home/saiyan/Documents/khangman/src/main.cpp:134:5: error: ‘initialize’ is not a member of ‘KCrash’
     KCrash::initialize();
     ^
src/CMakeFiles/khangman.dir/build.make:62: recipe for target 'src/CMakeFiles/khangman.dir/main.cpp.o' failed
make[2]: *** [src/CMakeFiles/khangman.dir/main.cpp.o] Error 1
CMakeFiles/Makefile2:194: recipe for target 'src/CMakeFiles/khangman.dir/all' failed
make[1]: *** [src/CMakeFiles/khangman.dir/all] Error 2
Makefile:127: recipe for target 'all' failed
make: *** [all] Error 2