After importing, getting error of External Native Build Issues

[hassammughal]

Build command failed.
Error while executing process D:\Android\cmake\3.6.4111459\bin\cmake.exe with arguments {-HD:\AndroidStudioProjects\rapid-android-master\rapid-gvirtus4a -BD:\AndroidStudioProjects\rapid-android-master\rapid-gvirtus4a.externalNativeBuild\cmake\release\armeabi -GAndroid Gradle - Ninja -DANDROID_ABI=armeabi -DANDROID_NDK=D:\Android\ndk-bundle -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=D:\AndroidStudioProjects\rapid-android-master\rapid-gvirtus4a\build\intermediates\cmake\release\obj\armeabi -DCMAKE_BUILD_TYPE=Release -DCMAKE_MAKE_PROGRAM=D:\Android\cmake\3.6.4111459\bin\ninja.exe -DCMAKE_TOOLCHAIN_FILE=D:\Android\ndk-bundle\build\cmake\android.toolchain.cmake -DANDROID_PLATFORM=android-19}
D:/AndroidStudioProjects/rapid-android-DemoApp-master
CMake Error: CMAKE_C_COMPILER not set, after EnableLanguage
CMake Error: CMAKE_CXX_COMPILER not set, after EnableLanguage
-- Configuring incomplete, errors occurred!
Build command failed.
Error while executing process D:\Android\cmake\3.6.4111459\bin\cmake.exe with arguments {-HD:\AndroidStudioProjects\rapid-android-master\rapid-gvirtus4a -BD:\AndroidStudioProjects\rapid-android-master\rapid-gvirtus4a.externalNativeBuild\cmake\debug\armeabi -GAndroid Gradle - Ninja -DANDROID_ABI=armeabi -DANDROID_NDK=D:\Android\ndk-bundle -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=D:\AndroidStudioProjects\rapid-android-master\rapid-gvirtus4a\build\intermediates\cmake\debug\obj\armeabi -DCMAKE_BUILD_TYPE=Debug -DCMAKE_MAKE_PROGRAM=D:\Android\cmake\3.6.4111459\bin\ninja.exe -DCMAKE_TOOLCHAIN_FILE=D:\Android\ndk-bundle\build\cmake\android.toolchain.cmake -DANDROID_PLATFORM=android-19}
CMake Error: CMAKE_C_COMPILER not set, after EnableLanguage
CMake Error: CMAKE_CXX_COMPILER not set, after EnableLanguage
-- Configuring incomplete, errors occurred!
Build command failed.
Error while executing process D:\Android\ndk-bundle\ndk-build.cmd with arguments {NDK_PROJECT_PATH=null APP_BUILD_SCRIPT=D:\AndroidStudioProjects\rapid-android-DemoApp-master\rapidDemoApp\src\main\jni\Android.mk NDK_APPLICATION_MK=D:\AndroidStudioProjects\rapid-android-DemoApp-master\rapidDemoApp\src\main\jni\Application.mk APP_ABI=armeabi NDK_ALL_ABIS=armeabi NDK_DEBUG=1 APP_PLATFORM=android-19 NDK_OUT=D:/AndroidStudioProjects/rapid-android-DemoApp-master/rapidDemoApp/build/intermediates/ndkBuild/debug/obj NDK_LIBS_OUT=D:\AndroidStudioProjects\rapid-android-DemoApp-master\rapidDemoApp\build\intermediates\ndkBuild\debug\lib APP_SHORT_COMMANDS=false LOCAL_SHORT_COMMANDS=false -B -n}
Android NDK: INTERNAL ERROR: The armeabi ABI should have exactly one architecture definitions. Found: ''
process_begin: CreateProcess(NULL, "", ...) failed.
Build command failed.
Error while executing process D:\Android\ndk-bundle\ndk-build.cmd with arguments {NDK_PROJECT_PATH=null APP_BUILD_SCRIPT=D:\AndroidStudioProjects\rapid-android-DemoApp-master\rapidDemoApp\src\main\jni\Android.mk NDK_APPLICATION_MK=D:\AndroidStudioProjects\rapid-android-DemoApp-master\rapidDemoApp\src\main\jni\Application.mk APP_ABI=armeabi NDK_ALL_ABIS=armeabi NDK_DEBUG=0 APP_PLATFORM=android-19 NDK_OUT=D:/AndroidStudioProjects/rapid-android-DemoApp-master/rapidDemoApp/build/intermediates/ndkBuild/release/obj NDK_LIBS_OUT=D:\AndroidStudioProjects\rapid-android-DemoApp-master\rapidDemoApp\build\intermediates\ndkBuild\release\lib APP_SHORT_COMMANDS=false LOCAL_SHORT_COMMANDS=false -B -n}
Android NDK: INTERNAL ERROR: The armeabi ABI should have exactly one architecture definitions. Found: ''
process_begin: CreateProcess(NULL, "", ...) failed.