Many ofxfacetracker2 files are not found

[ThatRedMelon]

Hello,
When I am trying to run this I get the following error involving ofxfacetracker2. What can I do?

In file included from C:\OF\OF\apps\myApps\gmojiAndroid\src\LandmarkTracker.cpp:15:
C:\OF\OF\apps\myApps\gmojiAndroid\src/LandmarkTracker.h:24:10: fatal error: 'ofxFacetracker2.h' file not found
#include "ofxFacetracker2.h"
^~~~~~~~~~~~~~~~~~~
1 error generated.

In file included from C:\OF\OF\apps\myApps\gmojiAndroid\src\ofApp.cpp:15:
In file included from C:\OF\OF\apps\myApps\gmojiAndroid\src/ofApp.h:23:
C:\OF\OF\apps\myApps\gmojiAndroid\src/LandmarkTracker.h:24:10: fatal error: 'ofxFacetracker2.h' file not found
#include "ofxFacetracker2.h"
^~~~~~~~~~~~~~~~~~~
1 error generated.

In file included from C:\OF\OF\apps\myApps\gmojiAndroid\src\main.cpp:16:
In file included from C:\OF\OF\apps\myApps\gmojiAndroid\src/ofApp.h:23:
C:\OF\OF\apps\myApps\gmojiAndroid\src/LandmarkTracker.h:24:10: fatal error: 'ofxFacetracker2.h' file not found
#include "ofxFacetracker2.h"
^~~~~~~~~~~~~~~~~~~
1 error generated.

In file included from C:\OF\OF\addons\ofxFaceTracker2\src\ofxFaceTracker2.cpp:2:
C:\OF\OF\addons\ofxFaceTracker2\src/ofxFaceTracker2.h:12:10: fatal error: 'dlib/image_processing/frontal_face_detector.h' file not found
#include <dlib/image_processing/frontal_face_detector.h>
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.

In file included from C:\OF\OF\addons\ofxFaceTracker2\src\ofxFaceTracker2Instance.cpp:1:
In file included from C:\OF\OF\addons\ofxFaceTracker2\src/ofxFaceTracker2Instance.h:6:
C:\OF\OF\addons\ofxFaceTracker2\src/ofxFaceTracker2Landmarks.h:9:10: fatal error: 'dlib/image_processing.h' file not found
#include <dlib/image_processing.h>
^~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.

In file included from C:\OF\OF\addons\ofxFaceTracker2\src\ofxFaceTracker2Landmarks.cpp:1:
C:\OF\OF\addons\ofxFaceTracker2\src/ofxFaceTracker2Landmarks.h:9:10: fatal error: 'dlib/image_processing.h' file not found
#include <dlib/image_processing.h>
^~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.

FAILED

FAILURE: Build failed with an exception.

• What went wrong:
  Execution failed for task ':compileOFAndroidAppArmeabi-v7aDebugArm7SharedLibraryOFAndroidAppArmeabi-v7aDebugArm7SharedLibraryMainCpp'.

Multiple build operations failed.
C++ compiler failed while compiling LandmarkTracker.cpp.
C++ compiler failed while compiling ofApp.cpp.
C++ compiler failed while compiling main.cpp.
C++ compiler failed while compiling ofxFaceTracker2.cpp.
C++ compiler failed while compiling ofxFaceTracker2Instance.cpp.
C++ compiler failed while compiling ofxFaceTracker2Landmarks.cpp.
See the complete log at: file:///C:/OF/OF/apps/myApps/gmojiAndroid/build/tmp/compileOFAndroidAppArmeabi-v7aDebugArm7SharedLibraryOFAndroidAppArmeabi-v7aDebugArm7SharedLibraryMainCpp/output.txt

• Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.