error

16:45:30: Running steps for project HMS2...
16:45:30: Configuration unchanged, skipping qmake step.
16:45:30: Starting: "/usr/bin/make" 
/home/ghostly/Qt/5.10.1/gcc_64/bin/uic ../HMS2/loginscreen.ui -o ui_loginscreen.h
/home/ghostly/Qt/5.10.1/gcc_64/bin/uic ../HMS2/Admin/administration.ui -o ui_administration.h
/home/ghostly/Qt/5.10.1/gcc_64/bin/uic ../HMS2/Staff/staffaccess.ui -o ui_staffaccess.h
g++ -c -pipe -g -std=gnu++11 -Wall -W -D_REENTRANT -fPIC -DQT_DEPRECATED_WARNINGS -DQT_QML_DEBUG -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_SQL_LIB -DQT_CORE_LIB -I../HMS2 -I. -I../../../../Qt/5.10.1/gcc_64/include -I../../../../Qt/5.10.1/gcc_64/include/QtWidgets -I../../../../Qt/5.10.1/gcc_64/include/QtGui -I../../../../Qt/5.10.1/gcc_64/include/QtSql -I../../../../Qt/5.10.1/gcc_64/include/QtCore -I. -isystem /usr/include/libdrm -I. -I../../../../Qt/5.10.1/gcc_64/mkspecs/linux-g++ -o main.o ../HMS2/main.cpp
In file included from ../HMS2/loginscreen.h:9:0,
                 from ../HMS2/main.cpp:1:
../HMS2/Admin/administration.h:24:5: error: ‘loginScreen’ does not name a type
     loginScreen *login;
     ^
Makefile:1285: recipe for target 'main.o' failed
make: *** [main.o] Error 1
16:45:32: The process "/usr/bin/make" exited with code 2.
Error while building/deploying project HMS2 (kit: Desktop Qt 5.10.1 GCC 64bit)
When executing step "Make"